{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8039",
    "entityType": "User",
    "nonce": "0x23359c156bee0c530d8535b234c1b6c1e905d298aa1c23061dfc30e43b690a6e",
    "signature": "0xcebb96e67475c33f16cbf3e99ea468a96d715db0f4fcaaf8d388044170c1c2f120373a9a5610b85f9e1853f3f0bef7704f4a5e8fe2b8554e2e8ff8f6630ae81f1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}