{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x732f6ed0e204819beb0a7cbb49c77865dc78d1bfa03a5e9b9d313478179d93ac",
    "signature": "0xd0b947f471e1e2645a736ec510719626fb24166ce2dfd0c41084c990011e45bb27840f3ae0841dcbbce94f7950b63f803b4ff980e9ab955852dc267950ade8761c",
    "signer": "0xDA68466fAcEEF91A1Adf697Fd6efce0a5C951f54",
    "userId": "114204398"
  }
}