{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239636961",
    "entityType": "User",
    "nonce": "0xefcd445f8b455725210ab6baf8e515d9627e721b93e09010fa3f2f253f3f5a17",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}