{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "497416",
    "entityType": "User",
    "nonce": "0xda12392b718fe261b5c10e4c3a0d5f99a3310207435f0ee965158cf9bcb11093",
    "signature": "0x8e20f1df5bb8b00464c6e7c19e281b4ecea3babaf3d730e82fb2dc22a64a165d0242150cefc0fadf78c8c044a45ca8861309cf941dfffdb4516e2204bda326af1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}