{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63129",
    "entityType": "User",
    "nonce": "0x3e23f4d5cc1b24bff1d530a7fc21c911c2e4df5c5aa92860fd083c33667bb35f",
    "signature": "0x6f63699f8088c67324e3cdab8392047e072a77481ecf80ba3b91f59d6000237f493c7f14f0b7400e303e11a21622da5759545791773589431c0290f306f46b551b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}