{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "926455194",
    "entityType": "User",
    "nonce": "0x9351c4c2befd0f41b7e5f318c046abc72d0717e7d1ae0baf0287087cc18aebfe",
    "signature": "0x3c0b4e6fab7f65fd48608551871d1d0eebb84cdc02100743c102c6c665c4131748b6c3a7bb0d90c643111ae89d73444f2384a504e4a74f453668f1ef3e62a9731c",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}