{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xfd0a26c70e23106d3c2852314372b10d6dd57db1\"}",
    "nonce": "0xb5fad54df0e3702e031f199bb073f7d380afbf6797eb0d0dc58e6d9cc593725d",
    "signature": "0x276f3ddb364e357b3483f2930dcd0a22d76d94d5c696aa90e954f01858f0e0e940a09646d991abb4509b9077809c1eb7f2b5b01fd63c5a91064c05072fdb0dd31b",
    "signer": "0xd9c53074afbE0A31ECF8AAb5d899a8799f6bbFc3",
    "userId": "416697656"
  }
}