{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "174117",
    "entityType": "User",
    "nonce": "0x3cda4b75e10e58d3f24e6feca6534b1fabf58eb28ac94752cf692b4af3e4383e",
    "signature": "0xfa7b67413d49f7888e21dd6795abac2dfe961801b36cea4feb87e398cb1c20f118c47434beeb74aabf17a9896937ce64296f51aaa5e4f72f484ccf26cca935be1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}