{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72594",
    "entityType": "User",
    "nonce": "0x66d1eea362542cdd276f32bb09bff0462fdb272710a95931ed0d594776a5b0a5",
    "signature": "0x684719434b577bb2c93f0d3d2440ffe14cef8da4ad7220b55434424e846a88070c0e39b35ab6c58b558d3b72ec1c99d017acfc63e448f077856bf7aa3d6166cf1b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}