{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120234",
    "entityType": "User",
    "nonce": "0xbd65c694cf5945fcd68f9ffd7b07881ea3f5c7e69b7d0825de739c4b87becc3d",
    "signature": "0x4bfea693c13e3165b4d0d65ee9f477ad2b2de8d8eed10c9ca9134206e3fab8552585073ed9cb8b99719d807eac35f41428a6097588bcd76d7162f1df9291657d1b",
    "signer": "0x9ca65cF3aD8eA1f8C3232cc2aa43511b89a5aaEf",
    "userId": "63344882"
  }
}