{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0xe527384ac446d4718b9cc9accb020717d98919ce968d3611377f9f2122ef5040",
    "signature": "0xbdd903601cc8f9434c32e478772820c57aa3b1126c54d23600ffe6af404510d76ef90c3f100918770ad0c2a325b22ab356b67e3653df2dc6e65d6e1b49dc1a761c",
    "signer": "0xC3292D1c5a77306Fc761537D80c8EeBAfF3b8Bdc",
    "userId": "3964985"
  }
}