{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xb9aaf088df26e8846fce6cdcdfdea9e832dfa0d8b5c1743224d06dbdf1684829",
    "signature": "0xc953c98fa6111cff789176a497e951f9db43937fc559ba75a25f4f31c5d45a437a6e1f6bd34afbda825e811980bceead1108b7e88d53a6ecce4e8d702c804a511c",
    "signer": "0x800d84c67D89D763533f3b54C9c12E8CE100d151",
    "userId": "29382134"
  }
}