{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "988934176",
    "entityType": "User",
    "nonce": "0x29278321cebb30c0a8e781e0fc53a4e11d20e4d876076e01f063007834d64f63",
    "signature": "0x6a11d67f7424454a1a22076a1b206299878f3d789492a7ecfb4f85f1db355ca87530148ba03aeef61f5b9eea4f99c1565e526ac2376fee95c4e4987f9b24d1f31b",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}