{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "987235245",
    "entityType": "User",
    "nonce": "0x015b46b2af50a316a5bd7c767cafc7163c238646e1e0b743dcb2e83afb6964e2",
    "signature": "0xe8ae71aaf41d340fcd53f397ef73c45d996c787012dc6a11df5b44180540f00b16f5a8060cb1487f3f97c64a10a29137ce071c150c3cc2f567746901492d29191c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}