{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37362455",
    "entityType": "User",
    "nonce": "0xbf1bc42eb975973fcaba1413731d361be844d9b5c283bf5495e3cb5593c85d89",
    "signature": "0xcc5e3be64b0cacaf4fe6bd8e3f6d24534823fa32cfc67cd4c566cc8a6a7da89e246a4d7b6521b16f01816e771a840c50bb964e9fdd41a68b034c4f98d38a1c041b",
    "signer": "0x686Bc6B6feE40A52Be47899175f284eECD2aaB62",
    "userId": "416057557"
  }
}