{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943839579",
    "entityType": "User",
    "nonce": "0xbe2debbf19a9668f7c6a1619afb8d8c3b6b144c06b0d175df962486687467bd4",
    "signature": "0x439fe73c0b25250785c5fe16f13429be6660e323821f08652f27c78028bdcaab452c9859d4f0905a2a2f22c78995619cf7f143cc160a441c9edaf1477f0ab8701b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}