{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98894",
    "entityType": "User",
    "nonce": "0x30069ee1c2be9145620d714fda03c687fb2d2e657417bc291c28e33eb6ea7adf",
    "signature": "0x789fae73bfccb22355441c2db88604e82a0a3f5e9e2a3e6e09bae02b6816a06e4924fc50f3f544e62f1faf68ef99e6f5a393a8a1f70d689f8a46e900a54f1d4c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}