{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "824478223",
    "entityType": "User",
    "nonce": "0x571f112e453c8b6bb20b3613fc71815cc62dbcb97339dee272652f6f94ce3a32",
    "signature": "0x712138d4c1994c90b945f892a0e598d29e2ec577ed89ed8da1630f2454017c0641e4d89ad08621f432569602b351e6eff1714285256adb11b1187d16400b18611b",
    "signer": "0xc1C84e5C06F7dc5824672906AC6E51CDfeb90aeA",
    "userId": "447798047"
  }
}