{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601282125",
    "entityType": "User",
    "nonce": "0xac0d0cb821e455c6bdd1d76f83c1bdc2670113dcfece6ce724a954cebecb35ad",
    "signature": "0xfba5815cb0b6d7691ae2a55c3177e8613ab94c1548b191e66246d88cea0fb7e964432921bdcb55f36dcccd1703c606654ec0e5bf6fa5d9d43240591983b017c71b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}