{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "964257878",
    "entityType": "User",
    "nonce": "0x787da57fd011240893b34f5c05bcae9c16142a52ac8e70e6c85815ce90635ae0",
    "signature": "0xce5c3a5cc5956d6a5797104b4ff0d2608fceeeb34bf9bff83caf13150452eb6c58a39ca2afec62b675bdc0277401f8c674b8ec6947a9ae7360693292314e6b061b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}