{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3595",
    "entityType": "User",
    "nonce": "0x0a3e6d0235bf4251a1426d6797dbc64bd1ca082e2cb66b37b29ee6c28cca6acf",
    "signature": "0x49cb2b81ec4ae30f343952c85d28533a200be610f282deac26e9a2d751cf9e3b1a039ff649a8dfd9c66ed14cf251b2fbe6a337f9597a7f8c5537f515acbc98521c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}