{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167223",
    "entityType": "User",
    "nonce": "0x8c9494379757483833578aa65e2cd82efb82538a8daf3377c70c63541beddaba",
    "signature": "0x1e1a6e794bad9693e33d782279ef20223aa8863251928a58d19fb95a4ef697cc13875c975047ca126daf493713f5035bff58367ef908d2ef21294f39ff3669b61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}