{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200945",
    "entityType": "User",
    "nonce": "0x141555b7b72b34e99ca3e14c33fa47983c934ead48251ca3ef20d2c6f5209a2a",
    "signature": "0x84274309b376818c9d52c9f87e1c65f7fbfc34d1679d17596a4b0a9ecc29203467d9f0de0e5348fd8d890e4619961a6864e4f56b2f4804fe22fdee9b9ee97a6e1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}