{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133461",
    "entityType": "User",
    "nonce": "0x6fde6d74988f695d88eb82336c6bbb84b7be7d018a9085333d415e1180cc9216",
    "signature": "0x1749b8d8284d2c8a637332bfd19638f52f1e4527333e11f3d430dc0524ad1e353625f0f9aed2aaabfb26ebaecfddd4241fb424afa3bb239f1d05fba6fb9059371c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}