{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72224",
    "entityType": "User",
    "nonce": "0xbf2009c72714259b678da0b150ea16ba2eb8e38d65c347ca336a7c3488b9be10",
    "signature": "0x623c647a4153dc0e416c88539cce970ee3b1e985fbe7fc8bff690379824391a04a9f4868716970a158b9d7f297d0e3f587fcfa7152f6aa20ba55c198e17918cc1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}