{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "824921192",
    "entityType": "User",
    "nonce": "0xc62ad2eb5c06e8815882129e229a1a3807befaf64072e02c34aab16a2d92d9e6",
    "signature": "0x92b8c8ffc247b07d0a7e040e97676fe0fccecb45088aa25caf57240b7cef04ed12604da424eb37dba865f76fa873e967680129133b21b059214eb68f493292611c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}