{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xda8f8c54f8949152bdb91ad3b93682b4496ab61952d5876b86d5ea6d153f8f7a",
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    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}