{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0x0268ffc7406946693d85e45bf24d3d53e879987b3fad1ff4dd15a2160662bdec",
    "signature": "0xd73467fe224989ba0d11c995dd1af0126982832da932089a70f8b2ce50ad11a21c01c9cc84b8648fc9ac27f04620f064e3783acbb19e9ac9e28072b3a22f4f8d1c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}