{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39692",
    "entityType": "User",
    "nonce": "0x9128f8387c9200abb08d30d9f325ca00c8d95730ac1d95a11601dc3d402359ee",
    "signature": "0x2b5074a010c8b28b981d1cd1119b8641b1e49de86920afcc730d33204f7c7c411c45bee6a38249009a55f6c7e10a71159c34c66191586cd78786bd0bac18d8131b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}