{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183245",
    "entityType": "User",
    "nonce": "0xc83dd22190357ace2ff3735b38481099bdee9348e3b221235e712a2adca47ab2",
    "signature": "0x5357c40faced97ed079c7ae2f5c75b4523012f5a100e70b54c73ccc701f6063f29233dc1222a8208ebe30093b39af144c6f61e1640d97bbc04137ffe6e95a19e1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}