{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167465000",
    "entityType": "User",
    "nonce": "0x3d98b0de4a4cbef52b5ec735cfe7b06ac4c8582cf60ff0608b3c703347318e51",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}