{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2112641074",
    "entityType": "Event",
    "nonce": "0xa4a5a6007c2bc2d07c8f5382aa5995ac9ffb46ec131fc9f25760384cbca0a59e",
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    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}