{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x07a0d192ee7fb8d3b6059ea1ee7be7ec6da8c1bffda1773f0af765826769466d",
    "signature": "0x02fc14d73578e853cf86bca8d7602f18d3a20487749a3a10ef0b071f234b4cf72b4fdcf71c93ab84065474907cd8adb83932dd509813aa84ead8d86f2e39092a1c",
    "signer": "0x858Be7885D181415aF81b736714608bbff4936d2",
    "userId": "357460890"
  }
}