{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x286e7ad8f9447d0112953bdb1684a4b4192ecb76\"}",
    "nonce": "0x0e505baa0d26310f537d57ed3e4ce33d46cb491ab6733d0486243771fce7a843",
    "signature": "0x79b352089a18f1e3d6621f4912a1dce0e30630c3f40d79145c3b567cab6ba8964074a2748852d6f167fed0853c20a666554448f0e7c7b422154a1e0eb30c550a1c",
    "signer": "0x46438a82B06e83f985c701B142fdd1DB868d789F",
    "userId": "7186554"
  }
}