{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "670307808",
    "entityType": "User",
    "nonce": "0xbb18b996cdc0f9d5b0b13437d55912606d72bf1db411873c336f3fa67e11b048",
    "signature": "0x8e1f4c05e1fc67d9b0b15570143628478272fd04082c3af2854f78946285e94268305041193d871d30fdc806c4e9a2c8e3dec7562a61564266a24db44f0df9091b",
    "signer": "0x5C13CD392EcB86FaceF8A07FC5B300833E86cD23",
    "userId": "167249"
  }
}