{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "160917",
    "entityType": "User",
    "nonce": "0xcf646b3003c578cc657aa015f5074da5028b695f9f4ed06bbedb8b06e72a19c4",
    "signature": "0xaafc559e3935a3052f040c9d0fd07d6b14a9819f05e7aa0bddfce7dc790a5afb7095a0257daa23d3c6fe419c1bcafa1f36085ca2ae20be3d72f3f5388f1159881c",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}