{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1419372",
    "entityType": "User",
    "nonce": "0x436c8d7e8294670855b8c4814bd4e3cff3d42d4de05098749d2389e6198f8cbd",
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    "signer": "0xD1BccBCb10e77Aa22B7fD24B221386e867E00097",
    "userId": "186951468"
  }
}