{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145920",
    "entityType": "User",
    "nonce": "0xdc4efb43d9f90098669cf09234ba3ff4771efbcdcf1bf32749e0fa0788528e4b",
    "signature": "0x6eb5ebd2fa5b82b1557798ee1de689297291ae1b2a9c266129d9c2e52b7614e03bab921a308bb0bd75417c772ab2f9b3b3180e24f9edb70a167fc6cb1d2584451c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}