{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "197303194",
    "entityType": "User",
    "nonce": "0xa51fb40e76eb54f3b7c88eb1575ef9c33bc825dc67a70bd4681821424cc181fb",
    "signature": "0x84e7dda813875449cd5c8187780562a29f5909898b3da5fe87af3542ce86c2ed4b0e749bad305a75749e347f6dddd1ae26934d61719e7017213e52524466cfcd1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}