{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "32128",
    "entityType": "User",
    "nonce": "0x0dd60a633337d28d1bebe298c500b2d870405e915ddf63e9cce7bb6a68954a8e",
    "signature": "0xfd8b4abe67da72a3e54745b9b77faa5bfea9729e5a24d469fa01c685063022673a5289c17576d8eb9cc473e421c9d740fe018563ee35400450f7d82e00139bcf1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}