{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980429137",
    "entityType": "User",
    "nonce": "0xd1445303d19854d697d4ff59b6381f5b7a6e43530b472fd8abb7906f502963f7",
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    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}