{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128531",
    "entityType": "User",
    "nonce": "0x5b4614e5a291863ecd5e3b26fe1c2d8a6852aa6e5853693d253fa8ede5a62489",
    "signature": "0xe07f486331309da3159a94952527c2833b3fd7af5ba08aa6db308b60d805d3416de8d45a110dcf9acb22854b35b5039977e058032f376a4444b3c6ed0bf53aa71c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}