{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48954",
    "entityType": "User",
    "nonce": "0x82f4163985d7f2310934de26b078610e95acda10b720b439b65a59f8c8fa5f0b",
    "signature": "0xda86e70b86e83c4fe69a730aba12bf790aa6f040690a6b7996bbd93de4430edb09fbaa01b9da62ee37dbb1f03cc129b6cac755657426a08af6048d9251a1142a1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}