{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69305",
    "entityType": "User",
    "nonce": "0x4e4f6f58f95074264332e33a7f5cb75bbd56fe4d733c5fdbff53901e73276f51",
    "signature": "0x31fc39b0ff9d80a673324db77ef184aea6e8532764588b54f1a39407dc56cfb36b307693971b207cb05a1c4ce5819c73f98f2b52f2596feb37a5ab0ad85e35861c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}