{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "419264132",
    "entityType": "User",
    "nonce": "0xe8d12ca22da468513a492d00fb2f0c5053db0d79f22a492804f5f1742619479e",
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    "signer": "0xE723B13C2F0ecb84dB5a25EBDbFF62126FDdF04C",
    "userId": "79341108"
  }
}