{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x3d2e950191b33da141696ccdf0d34862f295c46e23dd839fb5a64133e6a139b6",
    "signature": "0x7523ae07373fcf3a3c48bbdf33f1b9179c52151663b8d982bcd65d6c5e8778ea408ef629c3c0e142d87ee77f4e3d0cb9665bfc8811d950cf34ae6f258da0b0e31c",
    "signer": "0x2602000538a96E9BfC83834b589ADfC1DBc95761",
    "userId": "982533197"
  }
}