{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10678",
    "entityType": "User",
    "nonce": "0x131cd19bac44fcc1e4f8731999a91164c0af796715af190a42b4dd290b6ac88e",
    "signature": "0x319220767d422d0ed6201c5907e257fb3bfcd08d747ba1087235107f0ca4f942443e719b7396c4382ee0ea8c3e1c239ad65101a7adad4df332cdc7c882c6dd1d1c",
    "signer": "0x7Dc5480547abF67B7926d1c24AaB5d7BE7e0c965",
    "userId": "727950503"
  }
}