{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x68eefce2d7c52df8780f7a6c14b15b7c772df60f2d9f7f8e0bfb9df17c86b26e",
    "signature": "0x8a97774bf6445a3055ef2695a2493fa1fc08f0f8f3a8ffdd18ffd27c94f5d6eb6a43bb62f39f9e23763b08c3313040feeae0847717cbbafc038b8319c138ddd71c",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}