{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110",
    "entityType": "User",
    "nonce": "0x9b74a12cfea436da616508796a69e9bdb5f8a94f3a24e833871629859b77a6eb",
    "signature": "0xbf6e66165583a0e186b3176ce4bd0d93564fb1f70e0187f0615df10e5efa8103046f3598e2acbae96a1a67f5b89ceb074d6d4742041f1d8e20029e980d4aa3181b",
    "signer": "0xaa3bcf8712A3f5a178c83edE5e3DA745C257458e",
    "userId": "976266161"
  }
}