{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x4a54e22fa39c0690e883ccdc69746563aa9a7f1d6ff86edecd06a113699b90fc",
    "signature": "0x126ce9706398a2d8934bd6e27a67bd9ff692a5af102b6eee3b3c17fb2627175c53c60e50d979e4817383bb006d2d05144cc57dc416535a5d887c7c5ed81d749f1b",
    "signer": "0xBf62A5e7Fe6c9501F8B6535C8b6bBa517b5881d5",
    "userId": "276057"
  }
}