{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "870684573",
    "entityType": "User",
    "nonce": "0x7929daf50b1a86a159e3727644bee14f9d721c84cc10d3e329b31c80df4cf61c",
    "signature": "0x9bd9543a7d62d8d2f7d39a9cffe320a411d66d218a12d77b622a6b5a8500f94b05d6eb50d9a3277283a6c1b66bfd7e8f548da1b5d8e06ef9939d06cb18a794741b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}