{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "93139121",
    "entityType": "User",
    "nonce": "0xa08bf31d8f917bfa42e70c7aaa0fe6c1e19778ea0c1ec6a4031a669ca829dd58",
    "signature": "0x77feb5e545f35e1b3ede5e81264ce1c836581d1fd105f06648250f4b89e0084f52d0d4e563c76f7b00524b8ca27dc54fc74dc4cca83b900f62f6765a55c3779c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}