{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346193418",
    "entityType": "User",
    "nonce": "0x4ba8b9b4571a4a2184e8f4ff8a49050b5ae50f98234d3c74f47afe96c4e238bb",
    "signature": "0x41e88d87894e95d3cde2a6edd0602fb4bcec21bd3f609130f9d5cba28f1a13a036b7c7f6550f9d7be8f5b282349aead37911e2b04091837d4695719a2aca0db91c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}