{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112951",
    "entityType": "User",
    "nonce": "0xe874c03623f585e1d7ae58280a97fb98548a8422117530bc74572541f8b12e00",
    "signature": "0xc3e5830ea87fad3b510869e839f028dc7369b56cf8cd88e90715e0b46d781968041bfb81fae979ebe8606d1e2e85e5ea8ccd16e3fee6f3be720c1d84836649971c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}