{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x911a9ba2ea18d7f5f07971646466a5da45931512\"}",
    "nonce": "0x2c6cf40f5892447caf2c4b733739f7f54282ef9791820fa62787d8e9fab99832",
    "signature": "0xe4d62ddc5b76e70bc30d0dd4ba722203da4afe7c1d7c08620dfbac7a3ecec86f2437cf12de62016ba72063d29ce6a25ddf0004b61401c03ba8a275090e62fb611b",
    "signer": "0xf8778c966eBe41B103B67f50098dE4949D99aA03",
    "userId": "96027"
  }
}