{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151158",
    "entityType": "User",
    "nonce": "0x58760d6cefe23561f395141288fc49ce9caafb234f64f2239e7e543b5ad2e76b",
    "signature": "0x87bf9d8d951d66a5fff67f331c24a7dd856e4030e4bb6ecbd35cc9629ef4b05a62201c86615fd85acbfb5d87d8609384760763d42afd921435a34671425f663b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}