{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153826",
    "entityType": "User",
    "nonce": "0xf2c3184fd39f8417b295386fcd68624b2a9ab0b8d91403095b7063bfd158e6b6",
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    "signer": "0xfe6022590e48C8eA51d706EbF4eAe799214A737c",
    "userId": "900610030"
  }
}