{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172280",
    "entityType": "User",
    "nonce": "0x456ad83fe7a927f73cdc2f3fcd3a8f79f61649ac8d41ff317cc853574d9a687e",
    "signature": "0x5798d668cbfcd8930b865b58af65166f47c7702abc1d3b73599a5f160c82b9fb21c90e8d1ee4038a8a4cc546740fa0612ba425bd50c9871cae2a7e1d727fa93b1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}