{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163791",
    "entityType": "User",
    "nonce": "0xae0b281a0d303068a367230f67b9caf1ba79b8194018f2471a311530aa992619",
    "signature": "0xd2a0a3b463b39b9838aa240a39820b25d34f1d19c3c70a606870b93ed2de710c74f11da07263de4aea655cec8729ad697a28466ab7e3a1db561b82cd367ebabb1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}