{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68427",
    "entityType": "User",
    "nonce": "0xa64c0da48903f6003e641da43618b9005fa50988b0107a7ae91cddc2f2b88248",
    "signature": "0x0031a7d4ab736bdd1ca7bc2e3f5b3b1bc886bf75498594f88b9cae55bb052d5121cf6bb4718811286f092b51e01a994081b3734cffc295e8a280354fe7eb74181c",
    "signer": "0xbF01d3816a6F4764Da6dF0CeFC8C48EEFdABB333",
    "userId": "419795889"
  }
}