{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10876",
    "entityType": "User",
    "nonce": "0xe0597949a42e0dc02109ed2d6a06586c652f54480c9fdf3cff2208002c77428c",
    "signature": "0xe3d0f4ce6ce4ed22c4f5d3fa86f46193699627515d9e77a87dd86624b731725e511277e457d715f202382bd22db3be8786f58613c2b1af3559d8b0e0a5b698d91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}