{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81816",
    "entityType": "User",
    "nonce": "0x992e0c25645381013e07e076d06e755bc2fd3d007816b0f1c42474c9942b5bb0",
    "signature": "0x28da7b585a790dda2b7a620fa4e2f40f1775cbe3fd4359976d2ceb07d0eff92e13bb8015577e1939612b89e4047001bedfac2dcb8ae487ac7c18ab493dd9297c1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}