{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465531556",
    "entityType": "User",
    "nonce": "0x5021f7c7996d253878ca74972b475cd2ca184e243d6cc7c6f0f5b84e6781999a",
    "signature": "0xbf8f1a659310566c59ebbfd83c0386b09baf8a7173737fcd043bb3fd8d7c67cd3c66febd209a84ced72e500e9ff72a266f1368d2206266e21de9a061b871cbf01b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}