{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0x85b62c20aa122301a4c04c2793e1e476864d5177f68f031db24f1eb98b868e91",
    "signature": "0x0bfaf7d7649cb318e91afd9afaa66536ed91f843ea64fae2fa91760c3d02a3003de93b59881229a33bb53cd1f541358e036e8c9941d93eb42a6341007bf15d781b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}