{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "932913352",
    "entityType": "User",
    "nonce": "0xd21c6791f099726f3cb3523b434147976f79c924b99ae68c644edc29eb3c4b0f",
    "signature": "0x065ac577bfbcab4f90124cf150f4ed165e4ab00d568f9402f79d6f46bbd13ef6350d9fa403221b25f866fd5b7040afb9a493a058a8509b9bb45fd794616ab9541b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}