{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "475275462",
    "entityType": "User",
    "nonce": "0x1204a85d2f5fb436bedbe884258d7f80b40f95b4440b706ecc8845984059d207",
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    "signer": "0xD36a10E3571a62069C0a811F2B068950F9a802D6",
    "userId": "733676803"
  }
}