{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "947140631",
    "entityType": "User",
    "nonce": "0x969fd9578b6e9811148b30ab7c24099ce4ce76f48c161a12dd8bc95a9b5f8aaf",
    "signature": "0x6cf360bb5b9812a4936ef4716e9119c06e0bd8ae50a86a5be15f1561295ed517304ccfa9a7415171b2eee9cf8c1c860b0b1d698fdc0588d008075327a72f73451c",
    "signer": "0x2F87bb373089af6C75e3362077A0E52A4779f72c",
    "userId": "582715056"
  }
}