{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346795",
    "entityType": "User",
    "nonce": "0x41933b9b5e1567aca7fca607586bca8b73a7407ece09928777b3882275eb86f6",
    "signature": "0xbee407dc8d71d893ba4948908c58aa255aa8aa4325d44bc07f4e086040612dc61a1db12870261b3ffb63adccb73b3f6666f3c9d6c0fda3c6eb7e3834aa66b9d61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}