{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "338557",
    "entityType": "User",
    "nonce": "0x551b9b8f971e1c1057d97774f2680c7b687d3069d465b3313f6e6bae48d216cc",
    "signature": "0xbebd95ddd5a11faa0a94673b2449f1deca56ebc5b16c0f45eb715a5646d4b2c541cc90bb3c4063d325a3616601502462b8e0eb678d029f83bcd0ac8b760654571c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}