{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "916107216",
    "entityType": "User",
    "nonce": "0x5193ea7f3c96022e13089e66cc1b33242c3744acfffe7d69a7b3a7760807b0e4",
    "signature": "0xb1d93ed8321da53f58c41177b4d5a000b599a6e43f77e052e27fa85a1a28e4ae71f5c467cf0f3e2fc71b4b527980651a77617e1cbb5779f3e9e05f5c9e7191671c",
    "signer": "0x019c1Ea6f901A4f7AeAa1daD2842a34Fdf9A9FB2",
    "userId": "798348033"
  }
}