{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "913467440",
    "entityType": "Event",
    "nonce": "0x3af96df94f3f9c8a70f528b0379266a4e40127f135e1a1f18576cf82f25c25cc",
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    "signer": "0x6e88700922E734f074B782Fa0B1290cE5Bddc8ED",
    "userId": "228048046"
  }
}