{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x2eb2bbf3b990571b38a21a840468a15551938f8ad096cc4dc401ec9686fe7b21",
    "signature": "0xc024f969a1fcac6377acf068cfcee04942b1418fdf7acd06b2912b71cdeb4d8040c2e49605e49a076fd1e334f9250d46128da4042f979bcef6ec12b5eaeff0c21c",
    "signer": "0x3D472a01Cb831ac594835ac6038A4346E2A22B94",
    "userId": "327343"
  }
}