{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787975550",
    "entityType": "User",
    "nonce": "0xd6518c25f8b12ba42b34bf15d6fa538e66300af223b96aac3667f5c026200730",
    "signature": "0xcbc84de25d401ad7c973d9a18dabeb55740594bf2590fe69fc0bef20fb959a0300f3cd373dc22cd69870f3d14d0691c843e2cb42737d4dc0fd852124099959311b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}