{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120537",
    "entityType": "User",
    "nonce": "0xa96c24a5eeeb7a49817a181712427fb39bbe0eb63a264349c413a0c2e9491fe6",
    "signature": "0x0af15b730946c011952b23c57f37e31ddbd957b35cced46a8e31c9440bdef9022da6339c23d721912a619506f9dad10a774e7672fa0c6e7ee7bea416bce3a1f11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}