{
  "manageEntity": {
    "action": "Update",
    "entityId": "917146802",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4bf3fa3988f98bcf4323f53d5a65bafe0fb1ef1c3b48fcd572e74724712e464f",
    "signature": "0xafd4173518dc3fbb8e355e9c0a62d103c685832013339d3d5e34d6042c5501990ba3c13cdad6a13adb9ef6920e307d1e8f60172475a48660ecc5ab6604c2142e1c",
    "signer": "0xB45BE7AD30D4e06C54A7F9AE77D0Edc1b3B58589",
    "userId": "917146802"
  }
}