{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10449019",
    "entityType": "User",
    "nonce": "0xcda1c8831b5c81a67d3da114b9b7bdade9d1f87fc320115722603d4a5923a6d4",
    "signature": "0x6f0847b2a409f393c4164af8d438a76e9644fcd635da7d9e58f0035bf20327153b2352cc3ad17faecba3dffa80735ab67d390404b23d90eb62605a16c79a20511c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}