{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x576a8f60c8d1c4ad425a59b450adcfd335ec78c7bc011257797bab8dfea53616",
    "signature": "0xf09f6d64c5386b9fb9d3c6a684c958ee38ce023977fca7824eca9b4d9befafaa73a050ff38bbb4c1c50456a1370209bddf5fa1539de745bd682a634ee194c9171c",
    "signer": "0x02983e961DC3432C2378361f2AF43F27CC947619",
    "userId": "678485749"
  }
}