{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394350149",
    "entityType": "User",
    "nonce": "0x4e347fcfb3283d8ed0da332058f993057f788b71a2d22f2eb080285176a4ccb8",
    "signature": "0xdc7789eb0da470177afe69cffe6e2269755476ab3031236ef1e9b64f7ef5e1b928227c42ea37f68b1874f7f392653224ffd579038836e2396878ab90b76536e61b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}