{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x5826113b82941207533b0f2b86c3d5f2a00c1969\"}",
    "nonce": "0x6daf91efe50b3ca684bf28e6396d75b751509d1ca47ea163fae81fdb7be7ca67",
    "signature": "0xdb14c56c2b0bd37f8e064a351bed93a954e98048c0828614bb51b4910a0d45cf322e728bdcd5bc53c1d34d937ff1d54a70aaf4b4581635b35e0b84a05ed7689d1c",
    "signer": "0x6687B667182cfdc5646f5AEB14a9945c9b1d3A6B",
    "userId": "693608897"
  }
}