{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223067",
    "entityType": "User",
    "nonce": "0xac7a956d63f44fd514777f4151fdbbc5973be51af6b3e746aa1305d709bba92a",
    "signature": "0xa965552f36ce755224515743cef821b3dd56a209c536da8fc9d74556df86108e7eee4523e2a3e648095d17356bf56fae29937b420864ef4e5a4fa59f11f62b541c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}