{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144",
    "entityType": "User",
    "nonce": "0xc7406ce0ecb4d974708c7674ef0828885c0c4fc1ecd5ce5b35a3f98c56861f51",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}