{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1711691",
    "entityType": "User",
    "nonce": "0x90fbfaced0778640ea180f1de821da9380a2f67e052b54a6d527345c17016d03",
    "signature": "0x7024057a4dfb21b599958fe4b564cea3403545aff48de40b6147d44d2bbca18f46de9c11b5ee07a106bdc40367b1a59f1cea72f044be68935d0d07bfa56562d71c",
    "signer": "0x0897045A9f1a39F1e6ACccBaBa4a0509E8f15ECa",
    "userId": "172041745"
  }
}