{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "475188",
    "entityType": "User",
    "nonce": "0x53cc6cad3e2955a74a325760df9a980cfac7d0401ad0da9b901aaf21cd69e3e6",
    "signature": "0x195e07604daf6fb3f40fd329f22ea989993c2c0dcc56923ab2bb85d33881877b24dd0caeb3014cc5a946d4838cf578010c1718bd1f58a7f3b39eabededdd9a3c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}