{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x30fee7b05a6e81ddc96af749f4d1c7fb26439e93628654081c1f877f2734e5e6",
    "signature": "0x3db7f266a2bd89d236498603327e6c4219f69462ad89a76303fbcbeca607e91e2129f31f6aff1ecca25945a37182cc8143c1d6e71e3f461352e1b92599b69fe21c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}