{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43487",
    "entityType": "User",
    "nonce": "0x18ab5bdf45ac7666fded24c9f9e50f3bdd8a362f40cc46d0389b34477bf185ee",
    "signature": "0x35d67e65dc4302f99b098d657164fa33ac555fe9e45f562ace120a322f849abb4557a1da2adf5ad9cae6aaad73aa87a0c567efff835704208b120a58c1dfc62f1b",
    "signer": "0x0b58F8dac74F4bb0358429404884D7ED8240263d",
    "userId": "516258374"
  }
}