{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x2d806202c7cab8947f629eabfcd36c6e9de7266019de7ddbe8b570b26fc47bae",
    "signature": "0xe9c5447bfff0d1bc60d776ab67054cecca8b5b95c0164e7d73329a477c631b5a517a7aac6c676ce678dc97eda305125348704dd465bfcf9b890582ec71326d381c",
    "signer": "0x73760064D08e854716c13081dE151D63b16b2Fb0",
    "userId": "646161559"
  }
}