{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xc037ce34cb12a8bce5e545700164b443c1a9000b\"}",
    "nonce": "0x27514170fc4d12d0d281d4c8b91aba29aaff33be5937cc81a37d5eceabfe508c",
    "signature": "0x284a4e8f141fb97857ec08a220fc5427a44e8b552b16f1d874b84e7bc1a3424a2385a77a9b3cea7ec19abbd2651a0118f74059ecc785e649e09668be7b8b52701c",
    "signer": "0x51A6161064d4b71D173503bB4A14840EE19EEa34",
    "userId": "202391"
  }
}