{
  "manageEntity": {
    "action": "Update",
    "entityId": "370554049",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcbfea6da1b45661fc3e7ba6b93e7e16038f075c103c53cf0ff18c8f537869b56",
    "signature": "0x05e9c83940ba47d23125b46e9b70db243aa716a1f875e6e650b2ba9decea58fc1202c9336a0e332d7f7999f903f97f01efcd8bbeede3c7ef9f121fe4d97a021d1c",
    "signer": "0x3cDab860Bfcc02BCDaa4624eA5C324B5e5D9f7A5",
    "userId": "370554049"
  }
}