{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180188",
    "entityType": "User",
    "nonce": "0x705ec6e16daa4cb6565c393e0c5877f60a7523d690c92a57df0c48d6499cdb5f",
    "signature": "0x7b4953dfd010359aab986704272bbb47bcfb805675438a138f441d7e8d4b61011f6be42296dca18b04e6cecc29e074dbae5c927ddb69d23ae9388083dfa4b7021b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}