{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27983",
    "entityType": "User",
    "nonce": "0x4f66d218d86b04bfaa4e119c78a623a2a83b03a0c2f44d81d79611c578abaed7",
    "signature": "0xbba64a6dbb3b9f2be24b38154a63e56e4e300ba69418839e1d57daf2dfc5427d4074bee13b25ef107734239028c05df91d2dcd6064194cfdc283f785a049b8771c",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}