{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xcf4479b639b20a2a7985b46338807d45ae4a5338908aac80411921fab9b14c66",
    "signature": "0xaace34958d4f49af9daff0b8994d1a59a38c2c274f9cb3c4becac2d897c71d0a7767ec0029742d603ebe97def74eebc92b25be43c34e417c880c32ccb0dd2ec21c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}