{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84875",
    "entityType": "User",
    "nonce": "0xd39e09e94eb885e9a4e24d3842f171f67e59b5ca097b078e59f8c4c1ea3cd1e4",
    "signature": "0x3bb33f34e885fcab6e199e1c494a3d1c3329c8eac6da3e949b7d4cb4359d65fe7eba124f144da8c723470e260efe69d02641d8990ffc71b5078c9cbd3661d2481b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}