{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x5ee20d59995824c237b582c6395a9dd2986e16916bcefc954cf7425e5ae59935",
    "signature": "0x3de6ff2e57ddf4530aa1b8c7f73afa95dfcc5287e18713331ef2e0cbbf739f3106677153a67dd8a9d7a4498adba9350ac7186ced593607840b1b8ee27ae99cf71b",
    "signer": "0x647CCcD1748cA92d54c28f3986e321d26dA2Aec5",
    "userId": "350672179"
  }
}