{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x117eff7678246f01980c106ddf108db4c85e69fa3aa03d91c0a876097d64d215",
    "signature": "0xb4733bf47cffa4bd37c0da5fd3fc70e9b62afd85c837ace4c9276abd0c6dd0fe15c2e72b1432a858a995cb172070ffab6b3634c3e0f009319143a49302b832131b",
    "signer": "0xfD493cdDfD73c3B2A9a88BfC7bd2177Bf1FEdaB1",
    "userId": "225233105"
  }
}