{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1456224",
    "entityType": "User",
    "nonce": "0x0238922bb77a95577c8e8ad993aeb45dd99862d29b556d8bea25fb21bda256ca",
    "signature": "0xb9dc333c0b9b21f9d11033a29d215caf19af7d8d3212fd7a615140550ea6be0105130cdec4aa0466f4261b17a810f69d0a6a6c9aa9fbc5b7bfd8e3bcfdc5dd751c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}