{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270327",
    "entityType": "User",
    "nonce": "0x763f8f1dd867f80ad7adc86e8e56781711fed1eeacc4a871d2c1a9e8af02fc93",
    "signature": "0x2e26ea21d2a8a20f325e09c80648687968b43982cf40ce6ee3ec64aa0fcc66e52500279e5e1689d2706b14a34b6946f704f560c30e7e1481199cf539d85d16b71b",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}