{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148486",
    "entityType": "User",
    "nonce": "0x2b1a31e37952caad7eea01a35a4efba255288ab6c608ddd8edec80c52b464af7",
    "signature": "0xfbda86a1df1e93e78956153c724496c8de43e9b7510a534bd4e4474b2eaae02f6bab600381345b6f542176cfe1c53b3d07f7ec0e483a67886249899799aaf5901b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}