{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "993795264",
    "entityType": "User",
    "nonce": "0x424acfb41de4b769ee016f4b85d4b3de22ee2d4b5c2488de4ca326084651a1bf",
    "signature": "0x15558a9d5f3ecab4cbc6e310ea794bcc8b62eb90ba6a65954c22f15c7953f7e339b86503d313f86092bee441dcb6aa328cf310e76b429b476758d8b80048a5651c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}