{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x6820901e9a3a195d308cd80a1d5f41f71152275d0263f2fa7852228e7c49ca21",
    "signature": "0x8cfa4b03a51a40b0d3bfc1fe1ea77f27cbc89f3e9e3f584bd6c76b2bc6079a486e885066bfed328c3de6a21851781b085f3acd0b23c716f4c10e95b89862d43a1b",
    "signer": "0x223D5f51f92558c8Ff07CEe4Fd5478570Ea071cc",
    "userId": "486317678"
  }
}