{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "908088",
    "entityType": "User",
    "nonce": "0x42f71cc77b2a1e939f2ea9617295183a517a62097a7b00e84d0bf77b1fb1fd5a",
    "signature": "0x4cc75bc949d03ba53c11af4d4b7c2f654fd24ef547b3ff2de43cd34953e3b41e328d529052b62f55e41d52afb5deee8c8935eb742eae8610718f4415ba2b44c81c",
    "signer": "0x2F7db4C1AE3922aD0f32CEdED1870278dd17b64b",
    "userId": "467213409"
  }
}