{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39377",
    "entityType": "User",
    "nonce": "0xef321bec5ed1dfac5ff6c428a1cd508bb295b8428423b60503bd45ba82f89385",
    "signature": "0x774e0bd7f964235751da64fba2149b75ecffe4dd408e3b31f7d189c4b6012c925866ca9a460174537897ffd77bc11b343bf72b035a4a0eec35c7806285ac06d91b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}