{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395",
    "entityType": "User",
    "nonce": "0xcaa8f81e88fd04e5bc5ab019d57f5a3b495158920029cfd3cd80bc627ffad944",
    "signature": "0xeb7f3287aa42e568a76226d0b12ca311a1c2e6d89261221656e5bcd59b2bfbc95ffe1c094e67c80f51248ce448c3065ee1d9ce851409fa7840a37289dfa32bca1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}