{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "290013",
    "entityType": "User",
    "nonce": "0x62258328887a70bfffc267b39da26f2b3712effc8af3305515b370a78c844e9b",
    "signature": "0xf31c32d0564697213a88dc06162f4dd8e834e916896687a55f519da0c31a2e385292963eddd908dbf224a25ff87f140b46c2a861551282f1297858dc7532c0991c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}