{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "667809204",
    "entityType": "User",
    "nonce": "0xd8b2b89979e81b793cd31ef0a031747f863e65946d11b336e881038f2147d048",
    "signature": "0xeb95132e2820e0ab570340002b010356b60e77b8f348623e2eee8b83dadd83ed0b44003e69f829a57df41bea3053445279b2d5d04cbdb6f5c21c3b5d5f4b9be31b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}