{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396106",
    "entityType": "User",
    "nonce": "0xf25e4e2799518c80b9e2b48bbb13e521845a4a9b1fe383d507cb488bfad42120",
    "signature": "0xc7890d934a04c84b1ae3d4fb2ddf061b9256c5ce33a333fb3a66184205bd871b09893d3a3bf59ca01603954b5a2c8d3347c0355e59761a9e95845d5e4a0ccd641c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}