{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83464",
    "entityType": "User",
    "nonce": "0x2211d3da20be43eecb43a8c44635c27fba1a97fb96725696337503f18e8f93aa",
    "signature": "0x24830ade9ce2941bce6bf679f248950ba0db49205f8a963c31464cac734e87de3bc278221f11639d1c9fc098c1487582e32503d5c8bce8466fa455a22152f7c11c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}