{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "791380112",
    "entityType": "User",
    "nonce": "0xf52e6eb5156c3fd4be0490b3b2ea234989108c5bb7c25af7d6894c12f709de2e",
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    "signer": "0xb90dea25446900B58b936FB95262D7557e6115B7",
    "userId": "559908939"
  }
}