{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "785219",
    "entityType": "User",
    "nonce": "0x24bb0afc1c5328919c6c8e65ead514a2b3e8253314a0d8674c2c00483c0e32ed",
    "signature": "0x80aed209612f4f6b9ef9bb79afc2bbd27ac4c8015565e76f457f3a2363c985f5073ff957e25230313688f4ab51d6e95e37f35e8ceb6ea97dc64e9e1ee9a2abea1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}