{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "665370465",
    "entityType": "User",
    "nonce": "0x9f6cd719f2a94be2dc077bcfce2e7279a57f75ad01d9f5129a5e72f7ff6f0313",
    "signature": "0xce388ae4cff1e330d167e780ab1dd6987650f0448f8e6482343a829934470e4b1871ba56ba0918f8bf2742f38850db50e57ce51118a403ee2fc6545f177139051b",
    "signer": "0x93B592e943a7E35058d00ea2eA1A72701f0ea53b",
    "userId": "1844160"
  }
}