{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182475",
    "entityType": "User",
    "nonce": "0x93017701704d40f7a5769d4f17bed22d8f41de5f268fce8fbf090acfad419aa7",
    "signature": "0xcf4ae8d353e2afa56dab49f91017f491625fa73149d13053f8ae3934600e36d67dc05acc58c1a544424826d2e461111ad1aa23128039f219fba389c6af18f5021b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}