{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144585121",
    "entityType": "User",
    "nonce": "0xf767ddf1125e1d506b96fae4346c3ae238303234ce59340fbcc1f76c6cc56d1e",
    "signature": "0x880977176dd2a6810c593cba06d8a6a6cccb14f8afc29017e1b98e9bb09518620dbf10be98eb1253df5fafd3b2608e6b06da2391a63fd95130ae27baab3eb84b1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}