{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151086",
    "entityType": "User",
    "nonce": "0x5f019f65987b5dc628c5763372d81aee924d26f28921366b9e2257cc82968235",
    "signature": "0xaddcd36c192b09b789db5a55fcfacedad1639ba8f2e8bcb88df3047732e04dab1d7b312044a740c2985282e8e986a1b2f494f46e754b6379ab06c3297d885d021c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}