{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0x1324492ad83ef7772749bbf80a641eac27e736535721ab217678dd50efdfa084",
    "signature": "0x84d2ad41ce339a5af60ecf8203fad7d1ea198ac9d42083b7664f3b8795c9db5245ab804c2fc7188ba5378229d59979e9c9d4c4d4b55ef60d0312cfd31e69a38b1b",
    "signer": "0x8bc77Dd711F53774fD7455E0B2778aa01fbA53d3",
    "userId": "645932037"
  }
}