{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x86115490aafb6fc989783a2d98e4b7b4deed83ad64119635655be8d69a414c77",
    "signature": "0x2e601afa0c5cec0df56d6be6825e357d65ab8efe16e74a5f0e372e182cdde14936b2354a41e96a736d6fabb798fbd51374f2a00f35dd305cf70fa2a0f0d607091b",
    "signer": "0xE7c5B65B708a4B3A6F3340Cf03c31929Bc6e8e28",
    "userId": "205876401"
  }
}