{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182733",
    "entityType": "User",
    "nonce": "0xf08110e3f6d34648c08287485a0b5f09bc335ebbeb1c463eb80239a9a1f923ba",
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    "signer": "0x4950A7c498b6c214e83B79502162b7f248f9e6ed",
    "userId": "499895630"
  }
}