{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x57f393ead25527113fd2ea5d111acf6062e687d59fb4b6cf6b767fd4a85a1368",
    "signature": "0x0e6f5c2a1d296fe938e6d4f9553b7830a50ecf7d40f5530dfcb511ca676c34ed0341002284b9d8d132645f0de0234e133af7ad5e6000ef1432e5594f9c3ec94f1c",
    "signer": "0xBC09F03e9ceB35166f761B6868d7F12fB98bA711",
    "userId": "373852287"
  }
}