{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x847dcef87012f6d39d1c75d0d7623a32dd6b2b010fd7ef28692328c3e3561825",
    "signature": "0x9630808affc071cb0da92e5d8dcc8938b0fab7fb12b4a61e73e7ab1775e0247439d77bf5860c8a55a76278be2a0d995891d70e6e7b595e8160965f6c0e9357531c",
    "signer": "0xe350C34Bd61E28095CB695A68D2584A13E4eFFB1",
    "userId": "906766154"
  }
}