{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x41771b6df6269e192608dbbc694db941ab203eee2cb0ac89437d6ce48b740acf",
    "signature": "0x1fc2bfa49091f19b435359cd6c5fc700fddd8710594879c7deb552dc96d4a15d0d1afa6e16ece2b3f02ee4760e321795e5303b2f47337da8e11484e54622c1811c",
    "signer": "0x2FB1e1Ce0bB18783C624CB04a0747ca10249C15f",
    "userId": "439977388"
  }
}