{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65926",
    "entityType": "User",
    "nonce": "0xf812d4c1a098a8e01d47dd6c72a9307c54edafaf6d298f90f4e4a1aba3f27f8d",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}