{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381478870",
    "entityType": "User",
    "nonce": "0xf684df9de608f2aa6602c55f7c8949f74b21e5bb7b794be98f653f2ecf699093",
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    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}