{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "315161",
    "entityType": "User",
    "nonce": "0x940f29baccfb1f703eb9a9945eaf36c114173a94bb388506f0b297f4f1187323",
    "signature": "0x823741a200b09bae1ffc3440cc778190ed0dbfa393cdc513626381e250da275e00291b1622c08e0e998ecd0e0680a9e69bdc011d5638d11194a66de7bbe7897e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}