{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77436",
    "entityType": "User",
    "nonce": "0x56159b9fccfd6c80824d117551132c3b6119bad7feb940bac7a0bcfb9f0c1020",
    "signature": "0x840c0475e8bfdd6f03395e8e3dd8c83420475862b99be7bbaf49153e7f65d6151faaa9912f5f9a3dca5a862c7de331f203f8ff50ef57961880930668b501c09c1c",
    "signer": "0xE6a2533061175ED4c7f073A7BE3dc4189A4DE47E",
    "userId": "427249190"
  }
}