{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358086459",
    "entityType": "User",
    "nonce": "0xee32b8c06a36ad996daf12b0f2470cbee3df09268faf56570a19055f686add21",
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    "signer": "0xCb16196072E22166e253479AFc68AA7dC351dD1F",
    "userId": "274423416"
  }
}