{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "207676588",
    "entityType": "User",
    "nonce": "0x683ddefa4373968f35c4a0810a9e158bdc87ddf1bd07896658a7b1e20e52d756",
    "signature": "0xe07e0f573aeb952e3eab312c47d50d2883c9b1dbe3549e12a40ccfdeaaa2cae84eb516555bb720cfe8cc047c945f2b9e159fc3bb98c9f8ebbe51e13f91954d641c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}