{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x59c40f5e58e4126cdfe707310b5658a982939c1fef9dd557b0fa50de358076ca",
    "signature": "0x8ee1fc428c05fd72c4b09141627d1545a198a61660292a13bc42d814ab83c43763dba582d2fe873ec3c8e27416bfddf841e60e339ff0c9cfa0b340bfda69b48b1c",
    "signer": "0xb001DCb64Bf57b3EcC76C4Fe5AbfE2a8B084D6ba",
    "userId": "641557420"
  }
}