{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11153747",
    "entityType": "User",
    "nonce": "0x881adb48357ceb27bc7170e373d2a867c5b557b7ec6b52bc62d0d2255bacad14",
    "signature": "0xf014f4b740833ada8371ae6d75418d849fdd90e2abe8133fd8b22660b0fc37424a6ab20b245f716eb00a0b913aee71246d8955eccc02b6856d7f0561f2affab91c",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}