{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333763354",
    "entityType": "User",
    "nonce": "0xf27e2aac3baab3ce3c27f29f9aa4f3528aa9364ca13787ae832a9a5cf44b3e75",
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    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}