{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "728570067",
    "entityType": "User",
    "nonce": "0xc39ee786b920988f339d2c327090245f14b2e81618aead90fe2c4553d049278f",
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    "signer": "0x79112Ea36625dFA8dd996c11847B45e2C8C1F54a",
    "userId": "296453887"
  }
}