{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x7d8c4310815528f591b7ca0b36a3da4cdfb2f1cf1ff00c68e946361768fcb781",
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    "signer": "0xB8936e2071055a7b402Ca7DF632db1F56251208e",
    "userId": "531362075"
  }
}