{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "947140631",
    "entityType": "User",
    "nonce": "0x566b9451102f47fd56df69a188ec2ec70ea96ff489d13f775b4e7a4ef286973b",
    "signature": "0xebdaef937a228c655793a2f7ca1b13d08e92aeae10c83441ac3d6ad498fdb2841739e1fb3aed37c9a9d85196590099ac8ff00ef77fff85b6bdb9e64f687784a01c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}