{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394942941",
    "entityType": "User",
    "nonce": "0x38b9d050ade228e86fc62a6aa1cfa9000f5c7b46d0a199bb955b9e23ed36eab1",
    "signature": "0xe87a75cc433264a2fd16c10e4152f01ae3a6e7bdd7e5503bf64bc485a73256094bf3f2f906f48fa92ecbc90be3f997142da348d62de220b1a0cd405a0aa750b51c",
    "signer": "0x7CED204471059c0d1eD2432322D405F8EA79D93c",
    "userId": "310188863"
  }
}