{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "442238",
    "entityType": "User",
    "nonce": "0x1f5565e355136089645b58073aead89faa307451a800be8706d4824387dbd0a3",
    "signature": "0x54bb527e52b79180b4d5a6059977a27817b3bf81487a46db1d3832aa310997320459e55e992aec3adbd1466a0b4f426e2bf2c63c95e8466cfdd76954721c75b91c",
    "signer": "0xAB601814a3b7DB1149bE0b45154295028AB51f97",
    "userId": "613793033"
  }
}