{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xe46547e87879b32fd513d07c27292c6792b88ecf99ff22f1213bc8ec38de9810",
    "signature": "0xd9e46371659edf6e88684e7e7940015e82d6c1767851df1d25f8a56fbcec18d25ca75f45655ccc83b6029507d5475bdf02015c7c070fbb4235d20ce91926d71e1c",
    "signer": "0x0157D745aebb0AD9f297C69193065ce6fBB09853",
    "userId": "208486764"
  }
}