{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68523",
    "entityType": "User",
    "nonce": "0x50ccf1905912caf89201744eff19636c894d8cd11a2000f57bb8ae64b5063b46",
    "signature": "0xc421fffbcb4957a07ec2165bd3c02c00ef85118cb44e40458c7cfb4e9bb29eaf646877c59c45ae1c1ef67277bad9c02671788eecdecec189cd385fdbb319014b1b",
    "signer": "0x3bAeF837369bF35C2ED81037444d982a8045bccd",
    "userId": "631423161"
  }
}