{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190009",
    "entityType": "User",
    "nonce": "0x96de606e9413386f44d145b6ad8ea150f9d63d0c1761630fea3e31102eeb01cd",
    "signature": "0xf11482a816cd5fb7a1106997e69d49001b0f87114710503acb2d3a8b181d3fe01453775b8d6e241cb18cb562141e4a876be2a582c556a26638ac5699ebf0865d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}