{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "192406",
    "entityType": "User",
    "nonce": "0x3b3d6687adbb62073478b7ea2c5eeb56f4cb62cb3a95fcb6e5d83d112372d2d3",
    "signature": "0x80b28ab84d7c3c910671c32d3e47d2682ba0b50747cd1620ebb9f27ad60ce6f60a44c72ff9d431ca559c7e63de3b33db3c3465f7cbf6936c613a157a3e4f55e11b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}