{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x52c3dbef3a8117b9b0add258c7df04059c22b612de55cd95733f6aee66d9596d",
    "signature": "0xe7538f9a7f4155fe3cade8b1ea1908dadb5624262892979d90f5fe8c852ab89910cfe7a011765ca773c9cadc0ba698b5b5441af3d8dbf0546a3a6904fffadf4f1b",
    "signer": "0x01DAe92E69b246d1A3A6F01d69Fb70B04D2669FB",
    "userId": "222136320"
  }
}