{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139298",
    "entityType": "User",
    "nonce": "0x484fb4273aaf37f4daf7ae065e9a4f061c9313386111005da0ccd4738440ec7f",
    "signature": "0x52eaa0050be19a0e682916faf752fab216c4883e88371ae8d97f05be758952fa12425e346031e8f2026f99fc2fb310be03a63f94db7e957c23733e10ccfe32d61c",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}