{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357691",
    "entityType": "User",
    "nonce": "0x7ae8e1d0f79f10c3a9b190340afb4539456e8fd9fe50f2df8e8c8e51fb9649ca",
    "signature": "0x8e705d2262555b54ede1d9d939d79586f8bc09c5cc306c4279e0d9837d04fc5a50a84c6e2c390e7d04b2b9d2843675769a475f42f3bae8c99ad883385f3b36541c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}