{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63277",
    "entityType": "User",
    "nonce": "0x4678ba0bf2913f4522f89e8908079b4470b274d0bc05e3eaea9322ae47c2d555",
    "signature": "0xecf32054a4a2ff6e3ee16a11a3967352dc60c80cab110e7d57ca79c0c470cf3d64a077233878a8ac958be462d143fda8a18e1dab5d297a2ff18659c0dec2fc331b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}