{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1410546",
    "entityType": "User",
    "nonce": "0x3fc7ce0d6d2a385a417fdf7559972f6e4f0b5ea9bd5c770b054bdc433571551a",
    "signature": "0xd7ef456d5c0b5e947ace8764e33e44d9444e86c7ba79dd60b0340940020444dd61f3ed9ba391463ce98cfdbf6218b0eb5d3619620e497bd320d0fa50174248021b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}