{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6693",
    "entityType": "User",
    "nonce": "0xbf1c4b3acdb503f433a25fc9a37650942213b42482642301761041fee93a31c7",
    "signature": "0x71bd39fbe6223e5a2d1796a342367f81555ceff39f32d48e3be4cb478e4bdc555ea8944160c7cb9570ff5de377617dbc9965495482967d950b96b78b8d61bb211b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}