{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111702289",
    "entityType": "User",
    "nonce": "0x61a9290534f237f540b0472047dfa717c678919befc6ba7662576b1cb84aa16a",
    "signature": "0x73cd3296f2315a79374ec3d271478a96b8309799c2d2d5f5c68b2a70c70a84f66279fdc3f271ac81ae432ebe3b480bb7c7a024d34f91a8e6b7d865f9173ccf631c",
    "signer": "0xD0f51E232A92DDc965FB1FE51d04200D15d10fc1",
    "userId": "536634479"
  }
}