{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x4d4c0cd06531708d177d46db96be460f8fd0758906808c47f066db6556f4581f",
    "signature": "0xd7637672bc5172383161a11edc564d58aa6caee4c398a625054787f952451c5d60dbb7e28fd316100ac141309012a4802d3b41fe92cac531c81655b4062d08401b",
    "signer": "0xa1F606584fdE30bB7d4BE2EbeC98A5F95E4559f4",
    "userId": "786922215"
  }
}