{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "280634",
    "entityType": "User",
    "nonce": "0xfa707b9ae4b366ff6e4bf4898e565933a9d80a596cbf03fc3ef673c5fd890e9a",
    "signature": "0x9b0a51106e9cef9b34b04f76d49734e3ed84b9ca6f65f26db63b7146fec082986545714639238c1acaa66519c7a837f19d859d084fa546b89aa5bfefb5a1fdb61c",
    "signer": "0xF480C1ab373abcF3BdBba60b13A4055Fd1e0d37c",
    "userId": "710890391"
  }
}