{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0x942cc7b5c289e1cddca698e942c65e73d110a70ede726cbd2f80440a9d5a9f90",
    "signature": "0xf0b631e386d8a9f68e213e38164e6447c09cbe88178e1af3d50b732a45c6c5c243f5c2d35db8074195ae5502e40030bc283fa7b946f2e68789017331eaf1c5991c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}