{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x283f9e161df8b9b767e3a3dcc3e068b64a45d558e6bec981d46ed21e789224f1",
    "signature": "0xa6af535cebdf27c670cf688a7bc9aa5d88327f5e4c84aaef9acf862c3f36252836516f3926dc5841f18ad6b027d9023e51498244abe8cb0873c07ae31caef0f01b",
    "signer": "0x4391C746E11181B87164C3C6DcB2EA773D749ECD",
    "userId": "729432364"
  }
}