{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8585",
    "entityType": "User",
    "nonce": "0x64fed1222f10adc540f8a10190cb22c0c853fb8916b79523893f945bd40a3e8d",
    "signature": "0x6d6e552336c0b1a8bcdb0ed124e41606fef71c04e7ba273fb324779e0c61f00c447e963d5e2cc4b644d8b6f078012c0180a0a16db08c750b86da0debea008d801b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}