{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "458785967",
    "entityType": "User",
    "nonce": "0xf987a1085fa88e4c64c7067a4ddb1602e877756de0d31b8680c39cf8ce5adf5b",
    "signature": "0x513194b8588f38e6e17880443579a932ad919ee4646a403abf313a70fcc2fae37a02977b900b60ed9c4f178e809ad972de841cffc4673511766fb73af2ee092e1c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}