{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x62a7a795a05f63ac69458b29017845cb7869b1775f2a23f5f54059624b2222e7",
    "signature": "0x5857e3579f35047941b6c2d42f8be6a166c17d7cef094201d6c19a89d92250403999b76217e634cda55d9a266f57cca28207b5a4590ffa37daad963bdf6396891c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}