{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x002ed8b29aa330a34f39f9edcb2f1aef0956555a3c240ee75df277e683cedf67",
    "signature": "0x2510e9a9ef0e551c423cfbb020b090da9013f5d392641cd04cd3a7b3bc81b0f12ea5e5c259921652d3a16c146ec1f362ce8fba1913f8144cc5bb13dfe55a6dad1b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}