{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146546",
    "entityType": "User",
    "nonce": "0xbdd9fb2c4f91ff7696dbd0112a91e33c1cac4a7b35bc3a235868e13f4a64985d",
    "signature": "0x1f645042c4b3e8ec9b4d89095c301e89f21c09d9edb9591b42e2b85035e7612261a78cc3abbf0cc071277373a49b192e9d321c7752ce8a985fe0e5b78a88090e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}