{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "243128083",
    "entityType": "User",
    "nonce": "0xba4e5f48f0624c4e9fc996e6b310aade9aba80eb8e8caef8821372e31fa20e7c",
    "signature": "0x9c5460779a499dcf78dbbb2e53311efcaae021aa4f1d913a3cc1eca8098f411d0e47c32ea3e1d637dd5c87d856df1038f416c57edb14f9c3fa940c00c38f9b8c1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}