{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "331263",
    "entityType": "User",
    "nonce": "0xe099a4c6fcebabe6184d351af131f2fa63d1bf12a7a969bc3ce77dd363e298b9",
    "signature": "0x5301b27fc1f643e45342359226254717b9c353470f266721f807823fc3b415ba5c3b9c33898aab4d2eba2d7734c2e3487ffb9299178a34b9966219261dfb01471b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}