{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161377275",
    "entityType": "User",
    "nonce": "0xfd8f2ec1cbb5c9ada5d5a60243ec4e9d45de213e25bb4ba90862b1ba659aaeb7",
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    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}