{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "380629",
    "entityType": "User",
    "nonce": "0x927aeaf4c9ad664f98920cee6a62a77b45cf13b34423aef2bbf4f728f8a93314",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}