{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19627",
    "entityType": "User",
    "nonce": "0xf5b9682026c01aa82da0fbcf610246e3d4a9613e4390ef22da9c8a000d6d4b41",
    "signature": "0x511870570045cd0804b718b6367f6f1419934760796fbd0682bb64cfc9d2db3e50227a2426a1e36d24377b224174b4c2467b2ef705d62b1daf9f7aa7da72936a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}