{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104731",
    "entityType": "User",
    "nonce": "0xd91a8f5d0ec6f02f58fc4f8987d4cb8451b52133e6dd6575184d3f5b203859f9",
    "signature": "0xcb56fed05b87f3691570c22d873cab4c70c85224634e77d5251891abd4687d4e505c59a786424df05bae71076f46890f3fb4cbca88fa8267859f20198c825bda1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}