{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195891",
    "entityType": "User",
    "nonce": "0xc2b5156d7befedcd8fd992d1422cad33044a2fed3b389fa115e4d97fdc1b4b79",
    "signature": "0x5e79503fb8e36d14e86204099a5088e77c0599fc1e43955b15ee3a6f24217bd538230d6058c74d5ca0e0673744d343a200c54e1de96c6eaa180529f78c661e061c",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}