{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52192",
    "entityType": "User",
    "nonce": "0xfb26dbb34eab6cee9dbdf569afec6f980e6042856ea202ef5f63af951c860e09",
    "signature": "0xfc516ca63fdc5de284d795274a8879d85bdbf9d34cfdb9c3d0d24232fe9fff081002309bd093615af3ef643d55156870d19d709e13155a64e4ea79ce6c4faf671b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}