{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959630089",
    "entityType": "User",
    "nonce": "0xba5633ed587d5fc8c375ff59b0df01d2ca32197d2606d196818116ca80acf44d",
    "signature": "0xf870bbb3fe3dffbda662d5d3c845dc93c6db3c885792e85343890ebb0c08e86a198110daf2aea9bdaeb6a4ab53c96ab95e340896a0f1ca589cbe28b05dfbb49d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}