{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83745",
    "entityType": "User",
    "nonce": "0xd0a7f5559e5febe89a77edcd1a1149c029e08be12a772a5a0602773e732dfeaf",
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    "signer": "0xCadb35b037c9B660c6E92A375F3d8758501B15Ee",
    "userId": "28894287"
  }
}