{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "397153",
    "entityType": "User",
    "nonce": "0xdb9ebc208bfc521a27d2f7cbd237d607bfc0cd59aa8f01a29f137ba4b55123ee",
    "signature": "0xa1bd8da2767581caae4c43c493d7058edd0c72ee2f3a2b979bff7c8320faf5172a18cdbabd960f1100d916ae9f48540745336a6648ebf289c11b32379abded461c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}