{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460109700",
    "entityType": "User",
    "nonce": "0xe1345e5fba7d45c6857bfc19e11aa9cfb5538ad024d873e1e1996140ccce522a",
    "signature": "0x3ed16839b9ee076c7bc8c0a4918ba89a06c904fe4da11344f4361e204c5ab2652e590537d553f8f4b39a84a66e36f45eb269c6c2a74973756b8e25b3826f9aaf1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}