{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x754a250666ac30cc08db28e1d98acd8667cd1b4c0993f30f3091924d6646765a",
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    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}