{
  "manageEntity": {
    "action": "Update",
    "entityId": "658125230",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd6c43477e0b81a6ed83366ed45f99502c0638a80b250dcaeb29f36c978a0b937",
    "signature": "0x252a90e3d8b1155bf73164f24a8c2cd5ede0f5ef3a8669ed6b0b3508a656db95582b71e3f6d19cc2509c369a900ae3edd541275750f86a036ea13c46d063f9e31b",
    "signer": "0x2ac9D5A9752B236D53808C87C1c717dA54E8a506",
    "userId": "658125230"
  }
}