{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "963075181",
    "entityType": "User",
    "nonce": "0xf503f078939b08024c96a9d424084d1bf0d8911041fa7b21c87d4ce9a7e7973e",
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    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}