{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd7c658976bd2896d57c27bd7a9dae2656383a8e9ad10ef5bc47b074404eaba4b",
    "signature": "0x4cc6b35746a09c168c5320ed0e8a51af9f859315ac7b0627c38a053c8a33af493cbdcfcb1e543f3ef2618cdfa735fa3825864108d8576079233b5efcf299f1311b",
    "signer": "0x3124ff58F84BD5C69d470F5f1615D8642b3d988E",
    "userId": "110384063"
  }
}