{
  "manageEntity": {
    "action": "Update",
    "entityId": "893283275",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0f97b7ae78e1a6e3d3676a4eb13a3cd1d01675b5b2cdafc5b1943bb455a8cf77",
    "signature": "0x7ac261cca00e832ce2a77d482783cfba8efaf4eefed1a502ddd769977b565309795909eebe7e236653d2bb70fe7015479252b7f7995bcb832803b37e66772c4a1b",
    "signer": "0x79dAF1DAc45e59edcB07c04066D2096C5Ae955dB",
    "userId": "893283275"
  }
}