{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68204",
    "entityType": "User",
    "nonce": "0x73889bc8bcf6e277a7d64baa4b5fcaa34e62b6d194513cd0eb716820c7a0bd80",
    "signature": "0x7ae578f1474d4995b1a5d9c41c334226a7b91c6b745b7522dd8ca641152100d716b0242da9ee963fbe5b9bd12409c92adb2cf0eef52f05d87de9354cc649ab4a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}