{
  "manageEntity": {
    "action": "Update",
    "entityId": "167942133",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xac4d77f9405367e862e4e4636e479aa71c7c6f978dabeaeca11004e93a23f6fa",
    "signature": "0x8727cdd3fc5aae15b7767246aef25eb8a487a1839507a4dc9bf64418cb5d6157647ce0211433ffe7e2678bb99305836cc22272bd74b09ae94337ed2a85ed5bcc1c",
    "signer": "0x505ca7Fc2bBAdC58AE763fe05c3c0316d8aE4756",
    "userId": "167942133"
  }
}