{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1882339",
    "entityType": "User",
    "nonce": "0x6958d8541198187c7be88cf7037b2464641b5a320d3771e27652c9a1d05fb60e",
    "signature": "0xe674803926d7a423926d7f1e3f709698d458f190a1210f58406d64d1a43410f370b2ae44178a7435074b21314729f1f50da973efcd459655a179e6ea25bef31b1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}