{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xcf7da46de5b7382481ca1da9bf86f0e682691a539b6291b1d921a3e4e244a4e0",
    "signature": "0x3e3e8496b8b20f4dd2b7e26ed5d091ec2e315c278d36de59a7abc8f6f2fe0ca82913214ac040b1d519a9eef54b8235c148403988637260dc064a2f35499c0a941b",
    "signer": "0x991551b6644915E25B44A05415b0a3a2a3408DCC",
    "userId": "199068976"
  }
}