{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x8e23b2cb7015abdaf43e02ba151c8f44c0bc620bc89bd781486f183b5af1d29f",
    "signature": "0x9dce2af770a403942ac29f676106a5c96abe34893d0c58fad2d4f5f6624e02f23a7914871ef4e03daf4cc400d501a95d9bbd44495c4eae258c675dbf4d9494921b",
    "signer": "0x5a3D8ee650e3AC49E3814789a0e2783f0bAFe395",
    "userId": "951735298"
  }
}