{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102202598",
    "entityType": "User",
    "nonce": "0x489d79e70185eff279ae26f375e3cfc7f43c174ccdabe77eca33bb1d60728d4d",
    "signature": "0xa7acec3d3208a6d273870b07e8bf116adf46b9674e9b0ae49f5ec746642a9c1e64ccb3996ea0006a8f9d6bfa7bd2abafcf9349447e919759312bbc66d35a411a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}