{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73594244",
    "entityType": "User",
    "nonce": "0x7785b7351bad3288779f2fad91eb622cf7590dad60f57b750ccf808aaefc0b5a",
    "signature": "0xa9fab7a3051e4a619f13cedf1efa35ce2175daacf3d3aff8d7a3f359361082e53fbac5b36e6a4d32fcfb48f01a9cedb73e2f592a305264a0290a216cfac678ac1c",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}