{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8a2a4760c269a2f5f6c77eb9c10c57c236df93242e74f7274fb0d32d3b697349",
    "signature": "0x2f5bc700a7cb419e7f225b42fc2392a4dc4c9f0ce694a2bf46ec4c8ca5eadf02470fb63f20970232ce60271c959a39bd8ba1a2386635ac7233ac00eee6ecf35a1b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}