{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "569588208",
    "entityType": "User",
    "nonce": "0xac4eb3d98c54ea5e2ec13d92dc85ce9fb154e9b16b0a705b9099e3ba211edaf0",
    "signature": "0x894076055210ceb88301b16f16c4842e18d2bfa66ed9d44518ef4140d3917f390ead3bd7644d1a11120567d26d855faac6fb076aaf497d8d079ee29cc0f794451c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}