{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53358",
    "entityType": "User",
    "nonce": "0xe1dd8fb7d46ed2912c3e9e77708bf5420d51ef5c1620714987bd16d133504b55",
    "signature": "0xd6d20db7e5698cb73d320e7473d0545b9542b9e3afc2e440a5884c04d07de5c038bd5724a40338e8dd47a50b54eb1d801e753b819559eb60e81c7df89fed24f11c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}