{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461283",
    "entityType": "User",
    "nonce": "0x3a6bc825a987ddd5611b2015b3fd04c868c261320949f87ad5129a97483c3573",
    "signature": "0xee3bb5d7ba675a0a7bbe27c205da095d2e13a5d00c78e72c182ceefbfb5003745d794e688cccd92e54d4afe8f83529c4540e8750c76fb628757f340e7a211f411b",
    "signer": "0x0985405Df952A8A6b21920EAb44fD112129292Ff",
    "userId": "197783"
  }
}