{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364778",
    "entityType": "User",
    "nonce": "0x565671993517baa5680acc7743e79dceb6929c079bcefb4c30f86222904fedff",
    "signature": "0x79a5e23e9c1d67beac009f927258c8d0c4da551c8e833d3947290626d04a0dbd547b93c0f1d6f479980bdcf4f34f0a3cdd394832f651687918758d8654df04491c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}