{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60577",
    "entityType": "User",
    "nonce": "0x534674413028c70bc7b2e0daa291c24f03a6e30eb06b8e2e71c76e4abe31d1d5",
    "signature": "0xfff75e97ef1573d181906e3c8e6b56a59dee8951927de553e4163916dde3218a36de3ff97df8049c29ba21ccb2d3150869a79167d611a3688971673bef1273761c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}