{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22023",
    "entityType": "User",
    "nonce": "0x6681640f2c599c9f31d81f4d875d9f565ddebd6a2b57f44ae6b227b778b6647f",
    "signature": "0x9bbbcb258e5fd3de88a0c0a220c0b8c745220327ab144685c35a9d79b32a806d19482adb40d2aecdf1f5532170af096d1a64c9e2cf8a3e81222914b905f930ea1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}