{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xebfc325178d1b13143755bdd8b975b338e9d3a4a78f211af83aaa9827e880edb",
    "signature": "0xfeade191eefd4d4ba1bd8bf3ffc05ab0f8c1e6b066b0af98d7b8d1e34f6bf9b170683eb8feab5e3dae953c3a37efd2f2ec3531efe5649422c8e326b854422c471b",
    "signer": "0x872B80f7CAb117275441F569E202F42105624bC3",
    "userId": "985171774"
  }
}