{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130524",
    "entityType": "User",
    "nonce": "0x81385ce920f7cec6007dcc04b6270ea3b6734ba4746b07d2496f01dcf154c4d2",
    "signature": "0xdf489b2bc4a28ed8e4015c2809ea82a553f483a003c59ad481ef5c0776b4fb8f148ad2d9d8ebcd0c807e3a040f4acc8982f946a180a8ddc92d2b19074130e78f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}