{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "705212",
    "entityType": "User",
    "nonce": "0x09740236b049139d5d1d9ed0ed21eb2a3eb10dfda44640b49abbf6aca0d79973",
    "signature": "0x9947938b05d570b434afd48b95087080eb2ff748d65654d86cc42b92341cc62615df1050da66a4f91102fec0d0e5dc0895feb5411bdaed8061b1628ee8df79191b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}