{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322149",
    "entityType": "User",
    "nonce": "0x29751245d4b0f78f1fe86eb6cdd9421d6790c53587d6ee637571744351042d70",
    "signature": "0x7b166ed2c75bac86674d7d4e393e7515a425542fe49ed8660c1a6fd8a3b60c6229c38f3c3efd3d28b4333cdc982eecf4942c99c862fec2d0ab3076b0990ebffd1c",
    "signer": "0x07024945569e5721E4d506B01fB850443CF99F65",
    "userId": "871280797"
  }
}