{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72137",
    "entityType": "User",
    "nonce": "0xd81b78d1266212dcbc62a93333dac68509462e5903b0c5aa36f8a4d81560987d",
    "signature": "0xa9f76439584749caf6ea59f919ec5ec18d381ec4e9f85613a042d50715489088270c3d6567fd105654402a31c199c979153cdcc881d47895ef774a0ab8db895f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}