{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76938",
    "entityType": "User",
    "nonce": "0x37a25b4ffc9c70b5b334f706502f6825489925b604a0ec22781d2f9466e48f54",
    "signature": "0x7702feab7eb9c40adba7dbf3705fccb3e0a5a1f76d5a00edcd1ed3aa9860a0d209f789ae832db82e71e956d8f971a54e880a8a40457fd5f045a583544a0f20761c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}