{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x2b399f0a73ec1ea64a3a38b6ce9be19b8129c4741d9aebecd50a3ac0f75e90a7",
    "signature": "0x7035045963c9779bdf7d89e7962e13a7795ada05d908429491ca924dd757eaf71cd6b1d53e82e0488eff3aab63ef56c98f5e3fe25fa3b12e326c15a4c841c26d1b",
    "signer": "0x97312bF1B30FD671c769832961167F73569Aa50f",
    "userId": "75825143"
  }
}