{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68556",
    "entityType": "User",
    "nonce": "0x162adbe5f43ced4af0b0d7cd81ace4856b26a04c2cda7cad57fa5c1171b44310",
    "signature": "0x05dbf08bd808c8e1ccc08f4e6bf0b17739fc8b76e4eb05ba0cf86920da1a686f055c1762abbb3e811515009ee99d21c35e38bfb2da05dab1170470097eb70ade1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}