{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1203154",
    "entityType": "User",
    "nonce": "0xbe5234a78fc8045c13a0da1ff561b54dd46bbd50695cb037335e51cd131c55e3",
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    "signer": "0xB7adF5D2Ba2910FE1Fb865fD3F914666D4Ca3686",
    "userId": "309734268"
  }
}