{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "492362",
    "entityType": "User",
    "nonce": "0xcf8a98b4201cf85d87fbee17472ddcbe9db3d3a339ecbb38551ec64dd12ac563",
    "signature": "0x4142a27d2059df78753233c6f13970cf40de3fae2e683d4f6102471197d5897f14eaa445c953e132fe6ccaf1f7be74b11e64a8f62c17832ec021a4a9086747251b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}