{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1791539",
    "entityType": "User",
    "nonce": "0xbd2a88379efa33749a0da20f1129d13fbf837ab996ae81361998373190bdd203",
    "signature": "0x9b10bf3e21a331884fdc7967e193e4719f2673964ea1a6fdc0c68752076105b42997417d67ca9321c3d1be71f669a1e5256f8d390762c82623112de3f39f38181b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}