{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe70b517f93d830d2b64448d3d187ac215dc75d351c8095673259713c4c167fb0",
    "signature": "0x65ea29ce24d4d1838e1af785c756985c40981d846b57f9357057cbc89f0b4bf9004a8635d73c484b606512758ed8f405f21b35cce99a4a931086aa2457c3eb9c1b",
    "signer": "0xA6a5c3bD77f7F79A403d0302C0628c4d0a306Ad9",
    "userId": "386394268"
  }
}