{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "985810924",
    "entityType": "User",
    "nonce": "0x36ee1c8b570c0603d6a09cb36a01ef3634b66972e8adfb6da8ccafe2438f6713",
    "signature": "0x5585d03888bf01132da3735e431cebfee9cdc1f38e87d0ecf66a0456ba5045d86e30a3b2f4ecf203dae641f7434f58a6bab5deb16cb0575df603e294534fca541c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}