{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182712",
    "entityType": "User",
    "nonce": "0x517c112ea37f5c276179ade8bb4919714b5a974c8d7a4e05be36f3001b6f6935",
    "signature": "0x17178b0df08f7bd1c9b866af4ac190228a7f3c7df7f0f4fea046d178f4ede32107e039a372afdfef6346d6b5216a82cfbf2082d8a4f8f20534229644583d49341b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}