{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833324904",
    "entityType": "User",
    "nonce": "0xc673fdff71f1fddbbb5fe57966fae4e5ba6402a923b5f9fc269e9c9a81a18b68",
    "signature": "0xc9da3786deccbab640e22c58547f4a98514cf8432cc1b4c15bf5828f3f6b7cad088a39457b9c2dc94ae18fb509a09817c716391b8b8391f434bb112d040a359b1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}