{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xbd40162df5ad9531a57d7d6ab21b5ee87bea02e76075821dffe3d45e5f86ef53",
    "signature": "0xc4753595c5e8affb67724e730021b2478af0df622d87c6b7cfe9bd161cd495835ee8a5e7a516b0ca1706cb367342de50eef46b3058ede43053fdef0a189185181c",
    "signer": "0x3aB21fE10Fb1841Ce101C46CC68AeD31F24B01aF",
    "userId": "181218893"
  }
}