{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145852",
    "entityType": "User",
    "nonce": "0x71363fb2662a0aa1251373783e4f87f7f70c7309b319b55955a4411bb4e23a82",
    "signature": "0x090f511d6803ef9831ad7330ead535cba829c87a2383754ca59e8dd775821edc57efd0d6f1fdcf72b32a6a8d1dcfeaa96ecafcccfa47e17e6248787bf56cac681b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}