{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2559",
    "entityType": "User",
    "nonce": "0xcdcb7d3e4045c1ad2d142d821c133575aee1c77b6cee2138195a2557f738534e",
    "signature": "0xd2f924f73df019e7fcbedfd5dcc5a5dce8fce0a4aa9e6dd2f511d64e3d4242100befec9fe1171919cef654b5259f6d4b7cbdb0af6c283ae8ddf6f91d06dcf2911c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}