{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x4b85680832e33ecffce3ce69d75c5e04d38ca8b42cec8b39d4147684bf6e05e2",
    "signature": "0x119164405774e01cccff048fe7dea95a2893e55f464e5378a6466e60aad80c2b02f21b81a141ae20b1c74befe40d9987879aa03fa743a4fd8395faca848d30a51c",
    "signer": "0x83cbA973a8597CD2f709e5E1e39d2B78d077963e",
    "userId": "903914416"
  }
}