{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x9dd0270cc53a0bdceb0a29d5654cd633645241e93d0de8390951a31417ab1f2d",
    "signature": "0xd8076f75c5b88f6c249cc95fa0949d6587038691d1b8e6263265af10ee52dda162db0475c0b7b9934348b0bffb86a8d3a3367aabe9ea51a3444688dc92ed8c001b",
    "signer": "0x5dA89308360D264A6Cd6Ca9c98a74a06012b5c31",
    "userId": "727971424"
  }
}