{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1316679",
    "entityType": "User",
    "nonce": "0xc0c5b4b158d2d8fce0040719003fdb4766d590b26cf45c5883302826a5af2005",
    "signature": "0xe62d95fc8216afc4692ae198737833622daeda1fe026243ce889f9fae9e7fd0224228ddf6f61d82a776f4a9fdf8e0d7080cf79b6e31d4cc94a657cde423f9e301c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}