{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39625",
    "entityType": "User",
    "nonce": "0x94db82cee54a1990cfddc31afc83e17393faf3fce8acbb422843655c58ecd02a",
    "signature": "0x65b96b5b97aae984d5c55c5d9a521875eca6a48e9fdbb6ebc52a47aa6198e93253cc9d1003a64d4ca9316d957ca6113b48b1686895cc87c47c5b0494cf68e4501c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}