{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x814234bc8e0e36bbecb94f6490431b99ef7cf23dd11a4637bb05441678a2176c",
    "signature": "0x9967128c26b8606c05737bff03ab6f829f87c013c8f792e473b002e45cb777720155e040537ca94287612a98701dfd74ce62f8dad0b4dac2648da1ca1e7240e11c",
    "signer": "0x533b72b24827D35447529560986455a9dC6CEB3A",
    "userId": "468876227"
  }
}