{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527480232",
    "entityType": "User",
    "nonce": "0x3aabd0ac2728ef1c0fc302652759f919d0fcf07f0b768b59ab9fed01efe2d1b1",
    "signature": "0x4b34de7f7364ee763b30b848b152def33b550d163b6b1b6ab68b7dfdec984457339882ab1a5e5d79679df0476be0000d670977903c3c97f8e06ee80ae3320bbc1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}