{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186855",
    "entityType": "User",
    "nonce": "0xe037678de960156edce3fb16e9cdf0ff0414ab42a850f697ee6527afdc522fb5",
    "signature": "0x8a3e9034a7004b6b9da19b0daba4dc0030da328fa5c54566bc5050df1b588ea367e7cae674e8bd317c0d1eff7f66136a62ea1d76c1b8ec8c57251939b11f1b0c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}