{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335878078",
    "entityType": "User",
    "nonce": "0xd76ed661270c1ab664cd60719a63db29421453fb34d815ac60e1d6a2755f1e15",
    "signature": "0xe86f8d3d5d64118de7f6038c16482bc7feafa2c05a244a760ca9a12f1446ab2d3fd8058990d58bafdfa1ac7591ecf1012f3470980c88eeb101ff425162931dce1c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}