{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x579b630b3e3b9ec14a62b4612bac8aef634a2540f4ca8450a52f4a89bb1ae596",
    "signature": "0xfd9c4ee98faf0aebd1dbb291fd339e6a43e9415a26c05fb71467103eab0691c2576def7a33e3c395a1f2a1285a8d70e4cc672097133b3bf46728c8e03897b92f1b",
    "signer": "0x7a78569646ADa00a4d555F20fA48e9cDb9ef14F5",
    "userId": "333304008"
  }
}