{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xda22af33d42ece432d3765633b42e2dae8a95ca857b15d5b29cfe60e7859c3e0",
    "signature": "0x4548cbc12be2599d1150b8544ec4d3674beb6f6a65932d9c53b54f4a81d65ebd51605312caeb346395b4859d8b32f624cb471a151191a7b899bba1346ebf948a1c",
    "signer": "0x2230770EC85946F97685aDECD4b734f51662F050",
    "userId": "887741865"
  }
}