{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967906892",
    "entityType": "User",
    "nonce": "0xa2268a8283e93a60e5c374829336cb46a25503176f8a098adf21915372be8e02",
    "signature": "0xec9d9a22c8d6b04cb52a25f3b788b9f4b13afe59387402899f1787d0503cd84b0471f0439623a89bd8aced87b52009387f57520d27ddcd3701483960bd6817491b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}