{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311257477",
    "entityType": "User",
    "nonce": "0xdf2a3cf079ed8568e4c9bde0b5766ff4f03718c62ecdd943f25a181a051d7066",
    "signature": "0x6b3765d4b882fbd1bc8a78c1aa99c47b153328383955b4e967b2ffae85a428996c309065d1348c74b154b568c06d5c6b979ec6d9bde4771dc375caf411b980f81b",
    "signer": "0xca9222f1aedE81bB652753be5E233B18473E61E5",
    "userId": "9780"
  }
}