{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636675041",
    "entityType": "User",
    "nonce": "0x779fd1b7a59f52aa48f124b3899b1c38bf3d201587f42b0d955b62231ae53e2a",
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    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
  }
}