{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "194770",
    "entityType": "User",
    "nonce": "0xebfe7f8e22516ba7c92d742529331e4724347155cf890c488be08fd2d9128112",
    "signature": "0x8c61926ed21c59b157ff85eaafdcba35372319cfea48daaa039a8685084c1a2e2591f17e3e959d91ccd52be2593bbc3a8d0027c1fa8b8138300d59c626ce92aa1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}