{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf7028cf3abebfd88d2c25ad8f496cd30c29d9767f47184fbc92908b56de48d7b",
    "signature": "0xf3dece2f6fe5bd18e7dcf08972381a2b30445d963057dd6d914de06623530feb4bc9c7c34f101fa4146f1f98ad083dbe5bedbe6e1a871c0638a4c2a405dafe3f1b",
    "signer": "0xBC8033f5bA67936E807e24Cd99b024dB5B16c304",
    "userId": "608286835"
  }
}