{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3ff5046473816998f1f84f00394e006f93e3a61bdc8048576f5dc98ca0140395",
    "signature": "0xcf5ad16953f39b4e4d8788f97120c28aa4fbbd7f08acc237f8c9be2aff96ff9d2f461e8545ca864b2799e92d2caed1e48cba6730b7e7029ff7c8dd127a89fb1f1c",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}