{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xf50fa55e997a4d1d5c8b26181d58822f35673b58e0e8c7ce6ec67570c4c06be9",
    "signature": "0xc7ccd49c42b09eed8dfe41fb208239dc86dc57c7b318d8e35c502b073e85850d026fbb7e834f314a703ed3cad0290143371f6a0ccba43d840cd6b34ec748011a1b",
    "signer": "0x6667a1A099d3e340AeE3b64579cA139546d87216",
    "userId": "915459340"
  }
}