{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xef7738441f8ea8c0adda30fd5969856c4975070444f510c526aabb64fb2a38f7",
    "signature": "0x7e23f91e3a15a2435f09f5716d5dd10fa09184be2f12b0691f890a7b2e71d4ee326fb5daf3f26463066505fe7673151e3e5eed60269240bcdea0044a9e0adfa71c",
    "signer": "0xa9C1a2BDeD896d3f122E366aB647BF1C74C00eBA",
    "userId": "209707164"
  }
}