{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146791",
    "entityType": "User",
    "nonce": "0x75694d83eee9d5cbcb80c0af627b6b4c327b1a05b7519a018f7c3c93dca979ec",
    "signature": "0x633422802a530fee248717e130fe18b96b9a2a4847154f489c84e302a5552550436d586ec13d4e0f02f966f4cf445fe21a15f797cb21ee954bf623f4c4c15b8a1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}