{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "670307808",
    "entityType": "User",
    "nonce": "0x68d2a30419b43a7149fc206667fde040f07113ab9f2e0245abb85f37423e6b6d",
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    "signer": "0xB57F94Ef9a26d73E8b35D3f37FccD18BcC7eeE00",
    "userId": "850416615"
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}