{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "595768441",
    "entityType": "User",
    "nonce": "0x8728b33b5e0c612192b62a2dd4c73077d7b107b119dc439d1862270f6fc593ea",
    "signature": "0x88fd45b6972381f0bf5e80fec8956f2f23ab2c0c6f08da64a56b7f0bd90a2ef612c804cfdfd0d0e81c3e44bf9847bd453b96006b70b0a802abd60e2c0c0e81181b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}