{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x13c4451fc5e6989057825bd52af9de5620d0c262cde7fa015c1a9552783bcb23",
    "signature": "0x1fad3097f292e57f30d9ef4c16925eb689c7109a623590a45f53f9f81b70f2e65ee65fc9c3997fe4e58ebd18854d14c5656604a2f802f246e86f4694d0fe00fc1b",
    "signer": "0x8f14253fAc374487b2A1c7Da5e9C703037914262",
    "userId": "134509432"
  }
}