{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59910",
    "entityType": "User",
    "nonce": "0x57a025331f1580183f9a1dcb51444f3896bde3516b9d0715754fc780f1f959dd",
    "signature": "0x43e134a80e68e0396cdef27d86fb2d5351dd6326c87a76f53334c1daa3d2ab0f2b631abc9225f22e410c61338852b312e7edc9383b33daf6de61a1a96cd9bf5a1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}