{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x8c7560ffa43ff6da838c6c80fab2d879d4655fe6f6c461218620862f4c0cfa03",
    "signature": "0x142cb33ac8a4994966849e920d071d70cae036616fe10785474d9976fd8975e50b1abaed90d98d6862d3d7455e7db02dd7107edf47e9ed020c0bc09d7d892b281c",
    "signer": "0x934Db5f5C1A0639a5C916d7B94bf5844615F71DA",
    "userId": "753385178"
  }
}