{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0xb5a3b12e8d757d6a14d948ab5fee4efe8f1d0ad06ff8e9e7fb98e50dd9134f93",
    "signature": "0x57227c0b5db920e4d69f83fd311bc9867ffa41ce114a90e6d0ab6c89c756ce4317acc7de0c287052c900fa7f446865489773663d486b27d3f2d22360582cc8161c",
    "signer": "0x41E0D919F5E5E950b3646cc2545AB0d2c70af998",
    "userId": "962472503"
  }
}