{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135936",
    "entityType": "User",
    "nonce": "0xc96cd73d28ce4fe411710a354b7bedf58e8d188153a978275779c74b0693a0c6",
    "signature": "0xcb5e6adc30d435a60e3c9af37e3b9c20a5b7c2600337914b456276ff89023198769596042f9b6b4e8723e839274144224856927d34b5ddfa3882e491ece271f61b",
    "signer": "0xe74EA561439c78F34f4928Eb44ee8Bc5d67c3d45",
    "userId": "781858883"
  }
}