{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105826",
    "entityType": "User",
    "nonce": "0x837a42f38b145ab05f077da3b3f99bef13e3743eaab0b62e8957082d4f55faaf",
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    "signer": "0xC14d01Ad1443F7623B61668BA3E768ea7Ff0666F",
    "userId": "321158566"
  }
}