{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "702329",
    "entityType": "User",
    "nonce": "0x825be25d3f0d3fd54546cb4160af05b9b342698f7dd9108cd82070cf3ba1c880",
    "signature": "0xa708d9d960d018399e2da392155597b4717936af92bdb85b61e85e37515403d92436b96ca6d92026dc3f4e4f8ac70d83f38ff42b75d082fe5c95ac7091285ebb1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}