{
  "manageEntity": {
    "action": "Update",
    "entityId": "222993859",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqqtuoyzpuk4hiouhae4dkbgyrhnsbwgvesl4ccwy7bhzcwvtruqa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":248102818}]}}}",
    "nonce": "0x26f0c1a339ff9b73cc0118b19abb30c4489e5a21c6a3e580b934af8bcc05c464",
    "signature": "0xdc62d6f84d149bf5486b45e2a1103d29a4529e8cfcbd4a28dd6d2283d81867907cc2a88da5dbeb00a6a44a2cf128f85d9f3194c016e43a49bffdf51875cf652b1b",
    "signer": "0x984Ef5597eEB15ED9AD5dc37aF30a7281FD8B333",
    "userId": "222993859"
  }
}