{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18103630",
    "entityType": "User",
    "nonce": "0xde4083dd29e2728149a37a90eb174d76b7dbb7c87992b2a422419f4cb2f37be6",
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    "signer": "0xC24bF1b9beef42229F5912045FCb2DBccb0C68FA",
    "userId": "129733318"
  }
}