{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb12674f5a45d1d887e01fc5ba5d31a8e86e027d8557f96629e752d4e19a22529",
    "signature": "0xabea9bb7cb7791df0a9b3932bb7cc1baeaeb88e3df6b3f91a995871da27245c37bb6b8ffe4ecae877d0be05ce620280ec0697a424b17fd4a2e40e8551518886d1c",
    "signer": "0x4da850Ede639324d11a7c3A991FbC0056f91e146",
    "userId": "184087318"
  }
}