{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317392",
    "entityType": "User",
    "nonce": "0x4c666a564156e35ac98d7a4b5091311de5cc4f915dea6f14dd5ef223afb34920",
    "signature": "0xd24cfe38c179d9036c7714e32bc3ce640efc9d3572bc21301d06ecd09678a9936c0406b64f633fa2a018c060fdb45977b99653fe10ad9b064e58c75b8644f0b81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}