{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x24cff5422d2cfd329cf17cdedee02c565548b9d4a581a969d1f9033d2edff296",
    "signature": "0x29aed79364371c267687fe24427eb7745796a739a6e38319b0c6a3618dba31e8128eb8a43151331c820f48180cb1dd762692827058e7c67cc2252028aa8024351b",
    "signer": "0x687Ca5f210a68254CCF5A7F00296C1842f754841",
    "userId": "973001710"
  }
}