{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56374",
    "entityType": "User",
    "nonce": "0x3b8081be203c6db633da28a8ae359f66fcb20e61209331b9ad616dd72e7872f2",
    "signature": "0x1a41665fc980ff232894b909e4f500d0609e7182dd100e418b342d2df1d34f2a25b09dea5e91744f422520ab8262410283fa25c1147d190a8a9767bec11ac3be1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}