{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56737",
    "entityType": "User",
    "nonce": "0xdb1515f2315580f67b4c5a2da833fa4f2b41c16a0872068e4ad78099fac850bf",
    "signature": "0x2c71faeff4db4733f46f0aba1ebcdaa2bc09c6c05651f84c7226a00ebdb5a270156dfe55536cfa3c6dd90fdd4b740fd653890d9f6cd8b60621af293fd8a4c29f1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}