{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb37aefc320528790b2b5fcc853ac3693b619c502090cfbd4b389b7aa300f9204",
    "signature": "0x4dd84b26dc226b90805b05a6528975cb667af44fd0dfed55ef4f2f8ab614d81c5d81a5d5ed2712deb88541efed878d665b686ac8f15069d99bdfef3701fab8a81b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}