{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x911a9ba2ea18d7f5f07971646466a5da45931512\"}",
    "nonce": "0xf7cc2495e7b5b4bed5be8e502f9f432104e96366ed18a9b78ac4060651642179",
    "signature": "0xe6d1b0d00e460c51768dcd2eca1c857eecbe78560c24d6e5a2ed368fa0abe5c86a6cb24498196f1ab16d6ae8598ae9c14a80d49e0aff5c28dfbf686f2ac165441c",
    "signer": "0xE929d5b0D27781f83f0b5A8e37b2652DBe76579B",
    "userId": "106879"
  }
}