{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xc98729ab3f82af75dbe1794956cbea49204dc179df72a2104b699c668b65e8a9",
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    "signer": "0xCfbE835B75FD5F0aA89ef2B26E43ea4b5AFa873B",
    "userId": "15292436"
  }
}