{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82399",
    "entityType": "User",
    "nonce": "0x61b6a8c0f934fb3adbe6172946f39b6019fa8f72dc4c69970953d7f7d607c4c7",
    "signature": "0x0930a1806b7907910f7ede26008ed45c41ae8aecb8a24e0112a3152e2036939c6579d78a4b4eb6cce25c587916c0aa2786d3cf0e7e62ed2bfb304b55ca0da0031b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}