{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106406",
    "entityType": "User",
    "nonce": "0xaefbc399ddac946637cb7f355d36e197fd47b6c4a9fc107747964091a8b49776",
    "signature": "0xa64bb6135996b70bd17adbc717e57e2a84980cef8d2031672914f49cb7c6a6eb2ed6c2b58f28bcbefd9a2df3b3885213d3b32a8d6ef48abfc0aa75dc09c2462d1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}