{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196209",
    "entityType": "User",
    "nonce": "0x5f4bdfea00ff604049d9684b96c25dd4baae3c3249775168f962996d7b1d998a",
    "signature": "0x338a03febe7788ead5052ed449f28d6b43f2807bf41e17b07dffbbaabd87dad16978f2ffebd1b2d3a55633bb7a9ee3e661e1fff96c6f8ee2b0b4f46eb4541d0c1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}