{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x009168265a86d8b488c98d2be92a55aa268a153811adefcbe2497511542f9928",
    "signature": "0x3378a0e00c69350371dd2abe6fc2ac8309afb1e7b1f03ea52abccfb9679fc8d00b339d87bb44bbaee1ebea3c5bb8aeed09dbe56d3b0f7dcc0e6ae9a5a4c494ab1c",
    "signer": "0x9a7C79A8F5E088eF6f036a0c25618325AD8bC26a",
    "userId": "238327041"
  }
}