{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484172",
    "entityType": "User",
    "nonce": "0x5da29d73352a917c5814831893fd706564425bedae49c717dd9731f947434176",
    "signature": "0x6ce7b2e03b1e6451b403869b2e81593174e9ab8a9d9d56419ce4854988d7f2e36c872212066045f37cb7f2e37a9da563adce8a1a06ca641b2effe53bfd9105d71b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}