{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332837",
    "entityType": "User",
    "nonce": "0x0e54114386ae5ff2aa395549e7d154fdec3e936fa81faca8dd20f0e043bb645e",
    "signature": "0x879456a094a078b7522343fd36dc527ef87c3c21ec5b93e2a4c3ae12dfd6f3030d60a5b44f92c055938645954e07fad2f5e68e671b94896d38e1915794ebd3151b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}