{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7950",
    "entityType": "User",
    "nonce": "0xa480fc6e873da1154aefaf73262a83d309ca17013118cc6d91a52839f38502a0",
    "signature": "0x38f13cb504ab524b20bc25b0260b4f9b7a2e7288a4bab97d9838663b1d411f5a154d327748c02948dbd00e6b82b7943ae30f14ef79a55d7409188fc440b91eee1c",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}