{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x27bce8367c163cdb0a617ad26c3e20a64095d6be60bff029e7d028da5934b170",
    "signature": "0x7cdf2725d3e73fc386a0a7b855c5523d1791522e74540edbdb712b7d8b545c1c61671d35ed2e62edc81cec6985a017a7d6b92b52351a404607fba18d1579e81c1b",
    "signer": "0xf63b89A0Bbc03C7ec59aC257C7082A056082cDB8",
    "userId": "558452493"
  }
}