{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xe4694f015ff0d85326f79a0bb96addafd80a5537184ca99b2f231dde90364a3d",
    "signature": "0x8c986b8e5a9099f03857a04f5a9cef491e1ba108955fa1e532f22ffba3ad062c5ee296fb9e6c03191bde9f56270f35e6c34e1156452c33d3f1d88500c6b7de7a1b",
    "signer": "0x8dA1fBb8C1638201E5bA074130AAfb0B7602199C",
    "userId": "297045622"
  }
}