{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54432",
    "entityType": "User",
    "nonce": "0xc84ebc770d65b4788d439eadec7c73189ece7ed80adc670f0517121cc797c920",
    "signature": "0x163c4d0379a3c7fa72f068901652b1371d5217beabe57365164c75bbf88400182db4da34c01a478d3ae3705494b9eba6b2a4248a6a65d65e4877b80523af78ee1c",
    "signer": "0x6D083A8068F758f0b1EcF99c1788D7F450A20F5d",
    "userId": "977294736"
  }
}