{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xed9190ce10f120de22e6591fc6e9491b994cb016b49c849b3bc96188d12f4a33",
    "signature": "0x61b5d33639f6eb46895ffbda8c1383757abd381eaa9e11f77ac0e2810fc338af38dac7549ca96563ba9099da9c7ae1478be939ce1b7eea2a19c4aa924a05975d1c",
    "signer": "0xC0C22cb99ae0254bd8f50AD4Eb0124e4C20Eab18",
    "userId": "805028471"
  }
}