{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x8f19bc46bddd512ea1a6f4a56a5874b06365c3602bd67ed49e5f83792d890dc8",
    "signature": "0xb71b6d38bcdf7f18111ac0a8c4392313798a97f0b919832239291a9afc76ce5f7109c333887a66abc440fca134b86727459f52a2587e09f7f37065eaefa09cb61c",
    "signer": "0xB9f894a2eec6cC35e3123da4Ea00546Fe99f98a6",
    "userId": "447963379"
  }
}