{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179686",
    "entityType": "User",
    "nonce": "0x74489e94ad96df87227c22c65f66aad250a455aa20f1ce2f01fe5d94c3f3a284",
    "signature": "0xbef170e675a98a756a6c3102d30081bcafe0e1b04e13060c1cfa6aaa9246e9ae0b4f0a346886ebe55fbba9db51f288410652ef0e8e35b6d9815419ddf929024b1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}