{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xec0a465fd042d3a27afd7e27c7f493fbd89c0452\"}",
    "nonce": "0x936d5d5c16036bb809de14fafab707684fa2a054086b086c74ed785daa700467",
    "signature": "0xc118074106cf99f27e1de5237770ec91d1b946d2618b94e3d31c0b1c7d232cd56b98a9d37f160ef9cf4c75d3e344243a09e51898bdf8106ba49b19ca7e2a4d981c",
    "signer": "0xc504f145DDc6571520cf69963fE6ABa48DC1E776",
    "userId": "54867432"
  }
}