{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186623",
    "entityType": "User",
    "nonce": "0x2fe7aedf8b4c1aef929b4be2fe4d8d0078f9f64181e8439b2891cfe88d065b09",
    "signature": "0x8e77eff96bd8bfd7150e6d53e54f1fa1ccc47cdf997e75d158aa61d1357c8b9d6dcfb18a571f4afa5418bfb8d2df3099771deadaf9ce91ffa8d82354690711641c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}