{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14942",
    "entityType": "User",
    "nonce": "0x798405a58a7f00fd1860947a7bb58736b09744c8aa515057e4d238fa1965d962",
    "signature": "0xe9e90cd541355d4443b59088efc3028f254a232d9226283d40c4dc3d58f92d6b49b23b7f339ea0b89776b179a306be913ab584f2e1d0a65ff120d7c6f68c344c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}