{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xb6021270a46bf3ca7d26161ec32f715a142db7b1d24d60d648d98ee463a4de8a",
    "signature": "0xe4a5e28601406b3bffb09572410bb5a64b057b79ac145750ba01ff2b62288c8775df8e443ea8b0218ad929f36ecf9d7aec638e3cb426fee7d05a79272304671e1c",
    "signer": "0x9A5E16E48e938860681e75D3d0Fa9f61982e52e5",
    "userId": "267890965"
  }
}