{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x88345428c746bbaa5b138a6e3a35fcbad433bd3b5dc63493e5bffa9eddedbaab",
    "signature": "0x2f27e40f7a227d1a2b2187743cfb949930d19b3b8e2d414edd412ee73e708a62121901c073f827645fccd4f2e09d22d491df4ad5ae7b483d988613a525eb76be1c",
    "signer": "0x62D10912dE5D43EAd2B42D7A2e70232Bec6cB3Ec",
    "userId": "400147855"
  }
}