{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1482860",
    "entityType": "User",
    "nonce": "0x71facff5e789f982f72375022bce091244e6c68939c65c0512d4f57bb7e45ebc",
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    "signer": "0xB5EC92299b6f6D4D13A598E9ED72C49B48Ec70F5",
    "userId": "529321365"
  }
}